John Lennon's close friends and colleagues provide insight into his life and lasting legacy; radio reporters talk about the last interview John Lennon did with them the day he died.

An investigative "20/20" by ABC News and Louisville's Courier Journal takes a deep dive into the evidence in the Breonna Taylor case and searches for answers from the night that claimed her life.

On the heels of Boeing 737 MAX's recent clearance to fly again, Bob Woodruff reports on the aircraft's controversial flight control software and how it mistakenly sent planes into deadly nosedives.

A woman's seemingly obsessive and threatening messages to an ex precede a stunning twist.

Rodney Reed attempts to clear his name and overturn his conviction for a 1996 murder.

In a new interview with "20/20," Scott Falater, whose sleepwalking defense made national headlines in the '90s, says he still doesn't know what happened the night he murdered his wife.

On the anniversary of Anna Nicole Smith's death, her daughter visits the most influential places in her mother's life.

A step inside the new "West Side Story", from director Steven Spielberg, featuring interviews with the cast and crew, and discussions with Puerto Ricans on the role this story has had on their lives.

How Siegfried Fischbacher and Roy Horn rose to fame, survived the tiger accident and changed Las Vegas forever.

Daughter of Kansas woman who went missing found alive 15 years later; John Robinson, the conman; John Robinson goes to trial for three murders in Kansas

Dan Markel and Wendi Adelson's marriage falls apart in Florida; FBI tries to get more information on Markel's murder; Where Dan Markel murder case stands today

Dorothy Stratten's life and promising career are cut short when her estranged husband kills her.

Payton Leutner speaks out for the first time after two friends stabbed her and left her for dead in the woods of Waukesha, Wis., to prove themselves to a fictitious character known as "Slender Man."

A man is convicted of killing his 8-month-pregnant wife; a tip points to another suspect.

Mary Jo Buttafuoco, Joey Buttafuoco and their daughter Jessie reflect on their lives following Mary Jo's shooting in 1992.

When a University of Illinois scholar goes missing, a suspect's girlfriend works with the FBI to go under cover and secretly record a conversation that ultimately cracks the case.

Beth Holloway takes her first extensive trip back to Aruba in nearly ten years after her daughter, Natalee Holloway, disappeared while on vacation there almost 15 years ago.

Thirty years after she had learned that she was switched at birth, Kimberly Mays reveals the details about her tough childhood and her struggle with her identity; interviews with Kimberly's biological siblings, and her mother, Regina Twigg;

The life of disgraced mogul Lou Pearlman, including his role in one of the biggest Ponzi scheme in history, his blimp business, how he got involved in the boy band scene and how he led authorities on an international manhunt, which ended with his final destination to prison.

Interviews with Amanda Berry, Gina DeJesus, and Michelle Knight, who made headlines when they escaped their Cleveland kidnapper's home, after a decade of captivity.

Pamela Smart talks about the murder of her husband, for which she was sentenced to life in prison.

A couple preparing to sell their yacht to move closer to family – when they vanished forever. Investigators found that complete strangers to the couple were responsible.

A man kills his business partner and hatches an elaborate plan to cover it up.

Ted Bundy's longtime girlfriend and her daughter open up about their lives with him.

Details surrounding the Jodi Arias murder case, including excerpts from Arias' personal journal and victim Travis Alexander's blog, and new interviews with Alexander's friends and family.

The stars of the hit show look back at the best pitches, the biggest fights, and of course, the greatest money makers and those making the greatest impact with their businesses.

After spending almost 10 years behind bars for his former girlfriend's death death -- a crime he says he did not commit -- Nicholas McGuffin opens up after his conviction is overturned.

The extraordinary chain of events that led to a COVID-19 global health crisis.

The night a marijuana dispensary owner was kidnapped, tortured and maimed; Cortney Shegerian is the bait in a police plan to arrest Hossein Nayeri; Hossein Nayeri appeals to the jury in his own trial

Communities across US take drastic measures to slow spread of coronavirus; How prepared are we to test for the novel coronavirus; The 'new normal' of the coronavirus.

Decades after four bodies were discovered in New Hampshire's Bear Brook State Park, a podcast renews interest in the cold case and helps lead to authorities solving it.

Healthcare workers and medical professionals' extraordinary work on the frontlines, the latest developments on the COVID-19 pandemic and how hard the crisis is hitting the U.S.'s gig economy.

The chilling true crime story of a '85 Chicago Bears legend and the murder of his pregnant girlfriend.

The sting operation to catch a woman in a murder-for-hire plot is filmed for a reality-TV series.

Interviews with daughters of Karl Karlsen, who nearly got away with murdering his wife and son.

David Muir speaks with survivors and spends time with families who lost loved ones 20 years after the attacks.

20 years after so many young mothers lost their husbands, Diane Sawyer brings nearly 40 families back together to share stories about their resiliency and hope.

14-year-old girl reported missing after she doesn't come home from school; Kidnapping survivor recalls life in captivity and how she kept hope alive.

A high school cheerleader and football player's tumultuous relationship; Teen found dead in her bed from a gunshot to her head; Today, convicted killer apologizes for shooting ex-girlfriend

Interview with Elizabeth Thomas, who was taken at age 15 by her Tennessee high school teacher, resulting in a 38-day nationwide manhunt.

Stories of Americans who followed their dreams and started new careers later in life, including a woman who quit her finance job to pursue acting, and a woman who became the oldest person to graduate the from the Houston Police Academy.

Audio detailing the night Prince nearly died from overdose on plane; Prince suddenly dies at Paisley Park from fentanyl overdose.

Teacher's gruesome 1992 death launches decades-long mystery; Pennsylvania teacher's 1992 death grows cold

An exclusive sit-down interview with first lady Melania Trump.

11-year-old arrested for his pregnant soon-to-be stepmother's murder: Why police believe ex-boyfriend was not connected to woman's murder; What it's like to be 11 years old and accused of murder

A $3.5 million mansion, a beautiful family's future up in flames; Closing in on the brutal killer in DC mansion murders; Friends, family testify against suspect at trial for DC mansion murders

Former hockey star's young family shattered by wife's murder at home; Manhunt begins for brutal killer of mother of two; 7-year-old daughter becomes key eyewitness in attack on mom.

From Michelle Obama's humble Chicago upbringing to the White House; Michelle Obama opens up about miscarriage, IVF and marriage counseling

26-year-old face transplant recipient: 'I see me'; Face transplant recipient's mom learns about renowned reconstructive surgeon

How the idea for 'Mary Poppins Returns' was born; 'Mary Poppins Returns' star Emily Blunt on making the role her own

A look back at the notorious Bobbitt case from 1993 with an exclusive new interview with John Wayne Bobbitt.

Texas couple's wedding anniversary celebration ends in tragedy; Woman discovered tied up in a closet, husband stabbed, beaten to death; Woman's family believes husband's killer is still out there

Looking back at the legacy of a president.

Chris and Shanann Watts' seemed to be in love, say friends, family; In a shocking statement, Chris Watts describes how he killed his wife; Shanann Watts and her two daughters are found dead.

Jim and Tammy Faye Bakker were among the most famous televangelists in America when their religious empire came crashing down amid sex and financial fraud scandals.

In a case that remains shrouded in mystery, actor Robert Blake speaks to "20/20" thirteen years after he was acquitted in his wife's murder.

Steven and Cary Stayner: The tale of two brothers' horror and heroism.

After "BTK" serial killer Dennis Rader's shocking confession, his daughter had to find ways to cope with her new, shattered reality.

When Stacey Castor's second husband dies suddenly, investigators learn her first husband is also dead. Castor is suspected of murdering her second husband and poisoning her own daughter.

During the 1970s, the notorious serial killer had murdered dozens of women on a rampage that took him across the Pacific Northwest and eventually to Florida.

A former Uber driver terrorizes the city of Kalamazoo, Mich., on Feb. 20, 2016, killing six people and seriously injuring two others.

When 19-year-old Sarah Stern's car is mysteriously found on a New Jersey bridge, a former classmate comes forward with information that helps authorities discover what happened.

Dr. Joseph Sonnier met his girlfriend Richelle Shetina at a dance class, and the two traveled to Paris together, just weeks before the unthinkable happened.

The Dropout The story of Elizabeth Holmes and the fall of her start-up Theranos is an unbelievable tale of ambition and fame gone terribly wrong.

A woman shoots her three young children, seriously injuring two and killing one.

The two beautiful young Mormon athletes seemed to have a perfect marriage, but Janet's sisters say that changed dramatically when Abaroa revealed he cheated

a 21-year-old Miami hotel guest has no memory of being attacked, raped and left for dead.

Actress Rebecca Schaeffer is shot point blank at the door of her Los Angeles home by her longtime stalker;

A woman who believed she was conceived by an anonymous sperm donor discovers her biological father is actually her mother's former fertility doctor.

A mother on death row for the unthinkable. Now the court orders testing on crucial crime scene evidence.

A man convicted of murder has his conviction overturned by an appeals court and waits to see if a higher court agrees it should be overturned.

Revisiting the 1989 case of a female jogger who was brutally raped and beaten in New York City.

Daniel Wozniak was a community theater actor in California when he was arrested for the murders of Sam Herr, a war veteran, and Julie Kibuishi, a college student and dancer, in May 2010.

Tito Jackson's ex-wife Dee Dee Jackson tragically drowns; Jackson family finds death of Tito Jackson's ex-wife suspicious; Dee Dee Jackson's sons won't object to mom's convicted killer being paroled.

Successful Houston veterinarian finds love again with younger doctor; Authorities set up an elaborate sting operation to catch a him after he convinces her they need to hire a hit man to kill their exes; Man speaks to 20/20 while he awaits trial behind bars.

Brother recalls the 2011 day he saw his sister, Holly, alive for the last time; Missing 20-year-old Tennessee nursing student Holly Bobo's remains are found by ginseng hunters; Jury returns with verdict in man's trial for Holly's murder.

Route 91 Harvest Festival underway in Las Vegas, filling open air plaza on The Strip with country music lovers as shooter prepares in hotel; Woman describes moment when husband was shot while holding her; Remembering the Las Vegas mass shooting victims.

Multiple women describe alleged encounters with Harvey Weinstein; Angelina Jolie, Gwyneth Paltrow claim Weinstein harassed them; What could happen next for Harvey Weinstein.

Twenty-seven years after a Florida woman was fatally shot on the doorstep of her home by an assailant in a clown costume, police arrest her husband's new wife.

Vegas gunman's motivation remains a mystery weeks after deadly attack; Conspiracy theories emerge in Las Vegas shooting; Vegas shooting survivors say they still have nightmares, trouble sleeping.

When former Marine discovered teen son talking to ISIS recruiters; How ISIS uses the internet to target young Americans for recruitment; The fight against ISIS's reach on America's youth.

Baillie Gibson becomes one of the best discus, shot put athletes in the country; College athlete, coach disagree whether sexual relationship was consensual; Former coach Craig Carter speaks out about Baillie Gibson case.

20/20 airs a very special episode that features Nathaniel Newman, a boy with the very rare cranio-facial condition Treacher Collins syndrome.

Peter Billingsley, the star of "A Christmas Story," discusses some of the most memorable and beloved Christmas movies of all time, including interviews with the stars, and behind-the-scenes looks at some of the most memorable moments from the films.

Accomplished fashion writer found stabbed to death at her home; Police ask men in Truro, Massachusetts for DNA samples in murder investigation; Chris McCowen shares his side of the Christa Worthington case.

Meghan Markle's engagement to Prince Harry; interviews with those who know Meghan; an in-depth look at Meghan's life, family, humanitarian work, and career.

Former members of NXIVM, a professional coaching company, speak out about their experiences in the alleged secret society, NXVIM's litigation tactics against former members and critics.

Mom says daughter suffered from illnesses and needed wheelchair, feeding tube; Gypsy Blanchard on what happened the night mom was stabbed to death; Man says he feels ex-girlfriend used him to kill her mom.

A woman convicted of killing her husband claims she was blacked out during the murder that she says occurred during a home invasion.

Interviews with people involved in the case of Shanann Watts, who was pregnant when she was murdered by her husband, who also killed their two young daughters.

The gymnastics sexual abuse scandal that included accusations by Olympic gymnasts continues to dominate headlines as an astounding 156 women have testified against ex-USA Gymnastics doctor Larry Nassar.

Slender Man stabbing: Parents recall what happened that morning; 12-year-old survives being stabbed 19 times by her friends; What is Slender Man, the figure that motivated two girls to stab their friend.

Prominent Virginia couple found brutally murdered in their home; Detectives question daughter of couple found murdered and her boyfriend; Boyfriend, girlfriend travel to Europe during murder investigation.

"20/20" features the stars of the most influential romantic movies, takes viewers behind the scenes and dissects the most memorable moments from these classics. The special will feature interviews with actress Katherine Heigl, from "27 Dresses"; Nia Vardalos and Andrea Martin from "My Big Fat Greek Wedding"; and Dakota Johnson and Jamie Dornan from the "Fifty Shades" films.

Actors Roseanne Barr, John Goodman, Laurie Metcalf, Sara Gilbert, Lecy Goranson, Michael Fishman, and Sarah Chalke reveal behind-the-scenes moments, memories, and discuss the show's legacy.

A fatal kayaking trip is the focus of an interview with Angelika Graswald, a woman who was convicted of involuntarily killing her fiancé, after the kayak sank on the Hudson River in New York in 2015.

A son orchestrates a murder-for-hire plot that injures him and kills family members; the son is convicted of first-degree murder and sentenced to death; the son's father pleas for the death sentence to be commuted to life in prison.

Woman dies mysteriously in historic California mansion; Dead woman's family refuses to believe she committed suicide; Nearly seven years after mysterious death, civil trial begins.

Sharon Morello and Howard Burack were both adopted as babies, and they each later learned they had an identical sibling from whom they were separated as infants.

Two women suspect they may be the five-month-old infant who disappeared from her crib over twenty years ago, and DNA testing is used to determine if one of them is the missing baby.

ABC News' Amy Robach sits down for the first interview with Denise Huskins and Aaron Quinn, center of the so-called "Gone Girl" case, whose kidnapping was initially dismissed by authorities as a hoax.

Recently divorced woman starts dating man with a troubled past; Man, girlfriend allegedly behind murder-for-hire plot to kill their exes; Arrested for alleged murder-for-hire of their respective exes.

A mother opens up about her fight to prove her son is innocent of murdering Mark Fisher, a 19-year-old college sophomore on the dean' list, viciously beaten and shot five times on Oct. 12, 2003.

Strikes will establish a strong deterrent of chemical weapons: Trump; Pentagon officials remark on strikes in Syria.

The event America's been waiting for - James Comey - his first interview since being fired by President Trump.

Sexual harassment in the workplace and potential solutions.

Woman recalls being branded as part of joining secret society; What former NXIVM members say about Keith Raniere's attitude toward women; How 'Smallville' actress became involved with NXIVM.

Authorities use DNA to find Joseph DeAngelo, the suspected Golden State Killer; interviews with attack survivors and others close to the case.

A midflight explosion forces pilot Tammie Jo Shults to make an emergency landing in Philadelphia; interviews with passengers on the flight and those that know the heroic pilot.

Memorable moments from Prince Harry and Meghan Markle's wedding, including the vows, reception, fashion, and the royal couple's first public appearance as man and wife.

A behind-the-scenes look at summer blockbusters; the 25th anniversary of "Jurassic Park"; "Animal House" cast reunion.

Reports on ankle bracelet monitoring failures and murders committed by people ordered to wear them.

Woman's sudden death raises family's suspicions; Sheriff acknowledges missteps in handling dead woman's case.

Mom discovers daughter brutally attacked by man with shovel; Attack survivor undergoes hypnosis to remember details about assault; DNA match links man to near-fatal shovel attack.

When a woman secretly records her husband's affair, she snaps and kills his girlfriend and herself.

Drug Enforcement Administration (DEA) agents Eric Triana and James Mannick and NYPD detective Danny Politowski help carry out a sting operation where women secretly drug and rob wealthy men; interviews with Jennifer Lopez and Cardi B of "Hustlers."

Adults abandoned at birth turn to genetic genealogy to find biological family; Adults abandoned at birth meet biological family members for the first time; Woman meets biological sister for first time.

Parents fear for young daughter's safety as her behavior changes dramatically; Rare disorder may explain 11-year-old's sudden odd tics and moodiness; Why is PANDAS so controversial?

Thai cave rescuers say they expected some kids to die during the mission; Mission is a 'go': Rescuers jump into action to save boys from Thai cave.

A look back at the life and legacy of musical legend Aretha Franklin; never-before-seen video of Franklin on tour; interviews with those that knew and worked with her.

An in-depth look at the legendary public, professional and personal life of Sen. John McCain (R-Ariz.).

A junior soccer team is trapped in a cave for days, waiting to be rescued.

Following the life of Nathaniel Newman -- who was born with a cranio-facial condition known as Treacher Collins -- and his family.

Thirteen siblings are found captive inside a California home; what life was like inside; details on the alleged abuse.

A man is convicted and sentenced to life in prison for two counts of solicitation of capital murder after he and his veterinarian girlfriend attempted to hire someone to kill their exes.

Sexual harassment in the workplace and potential solutions.

A look at the two most important women in Prince Harry's life, his mother, Princess Diana, and his soon-to-be bride, Meghan Markle.

A report on a child's life with autism.

A man found adrift at sea in a life raft claims his mother disappeared when their boat sank during an ill-fated fishing trip the two had embarked on.

When a couple is found dead, the investigation leads to a woman they had a relationship with online, her family and a man who claimed to work for the CIA.

The murder trial of Tom Fallis, who was accused of killing his wife after her death was originally ruled a suicide.

The stories of men and women from around the country who have dramatically transformed their lives by adopting new, healthier lifestyles and losing up to half of their body weight, and the impact it has had on their loved ones.

From tricks of the trade for saving money on nuptials, and "Groomzillas" to extreme wedding proposals and wedding mishaps, "20/20" provides viewers with a behind-the-scenes look at the cutthroat wedding industry.

Understanding Transgender Children

Manti Te’o hoax, Beyonce Lip-Sync Scandal, an a real-life Norman Bates who impersonated his dead mother to keep her New York home.

Born into the spotlight for better or worse, “20/20″ reports on the kids of celebrities.

Nathan Carman Describes Seeing Mom For the Last Time at Sea; Police Question Nathan Carman in Grandfather John Chakalos' Murder; Insurance Company Won't Pay Nathan Carman's Claim For Boat Lost at Sea

Reports on the crippled Carnival cruise ship Triumph and the eight-day trip to misery that ensued for the more than 4,000 passengers on board.

GMA co-anchor Robin Roberts shares her personal story and comeback to the anchor chair five months to the day she underwent a bone marrow transplant to treat myelodysplastic syndrome or MDS, a rare blood disorder.

'Shark Tank' sharks reveal their biggest deals made in the tank; The stories of 'Shark Tank' products made in America; Where these 'Shark Tank' companies are today

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A story of how using a GPS system can backfire and send you down the wrong paths; a report on the 2012 Thanksgiving 140-car pile up that claimed two; an investigation into the accuracy of CARFAX; Russian dash cams.

A case involving two high school football players that were found delinquent by a Juvenile Court for the sexual assault of a 16 year old girl; exclusive interview with defendant Ma'lik Richmond.

From psycho exes to your Facebook 'friends'.

A man that was used to taking advantage of women online met his match; a motorcyclist claims a former female IRS agent made a deal to make his tax problems go away for intimate contact; 20/20 looks into disability con artists.

Latest information regarding the Boston Marathon tragedy; reports on the importance of split-second decisions.

An unidentified man claims he survived a carjacking done by the Boston Marathon bombers, April 23, 2013.

Get ready for a big dose of shocking disclosures… from doctors and hairdressers and even burglars, the people in your neighborhood reveal some surprising secrets of their trade.

Amanda Knox discussing her life before, during and after the trial that made her international headlines; three stories that talk about serious neighborhood problems.

When a woman tries to divorce her husband, TV producer Richard Shenkman, he reacts with a violent rampage that includes stalking, burning a house to the ground, and kidnapping his estranged wife at gunpoint.

Barbara Walters gives viewers a thorough look at the role of the new royal heir and how they will be raised; a look at the years Barabara has covered the royal family; Amy Robach reports on what it takes to be a nanny for the royal family.

A 5-year-old boy named Ethan had been snatched off a school bus and was being held hostage by a homicidal kidnapper in an underground bunker wired with explosives. If police did not meet the kidnapper's demands, he could detonate the bombs, killing himself and little Ethan.

20/20 goes into the world of servants and assistants of the rich and famous; Nick Watt reports on the relationships between servant and employer; Amy Robach listens to outrageous stories from employees of the famous; David Muir learns what it takes.

Unusual and sometimes controversial parents who are raising eyebrows. Mom abandons kids, rapper puts child in crude videos, mom keeps getting breast enlargements despite daughters woes, and teenage daughter emancipates herself from parents.

A man attempted to rob an armored truck in broad daylight and almost got away, but now he's tell Gio Benitez in an exclusive 20/20 interview; Amy Robach reports on the stories of plastic surgeries gone wrong; Chris Connelly reports on pageant flubs.

Stories of people losing their cool in several scenarios ranging from road rage, upset athletes, disorder in the courtroom to a doctor that continually fights allegations of violence directed toward women.

A group of alleged criminal teenagers wanting their own brand of fame and the fortune that comes with it and their leader sits down with ABC News to talk on their methods; a small town dealer becomes an unknowing drug trafficker.

Man Who Killed Neighbor Over Loud Party Says It Wasn't Murder.

FLDS Escapee's build a life outside Warren Jeff's control.

Updates - Dunwoody Day Care trial in which a woman's husband was murdered in Atlanta by her boss and evidence points toward an affair that has led to his conviction and she is charged with murder.

A woman was fired for being too attractive to work for a dentist, Paula Faris reports on what she did afterward; Cecila Vega looks into a cosmetic surgeon from Long Beach sewing patches into patients tongues to keep them from eating solid foods.

Nick Watt travels with a paparazzo to see how they track and photograph celebrities, including young actors; Dan Abrams interviews Usher's ex-wife Tameka Raymond about her struggle for full custody of her son; Chris Connelly reports on kid tweeting.

The LAPD's Hit and Run Investigation Unit and how they track down offenders; surviving road hazards; the story of a GPS that got three women lost.

David Muir sits down with Jeffrey Marsalis, a man accused of date rape on dozens of counts from using an online profile on Match.com to attract women; he's been acquitted of the charges twice, but a new case may reveal crucial information.

A chiropractor that has gone through six marriages and been convicted of arson is also reportedly under investigation by the Alabama Attorney General concerning the death of his sixth wife, given a record of incidents in his marriages.

Small Town Sex Scandal Embroils Ex-Mayor.

Neighbors terrorized by a bully in a bulldozer; a tiff over trees that became a deadly turf war; a high-tech neighborhood watch system… “20/20″ pulls the blinds back on the nastiest neighbors around.

The ultimate cases of betrayal.

Jailhouse interview with the high school cheerleader who engaged in a same-sex underage relationship that made national headlines

Diane Sawyer sits down with Malala Tousafzai, the 15-year-old Pakistani girl that made headlines by surviving being shot in the head for simply wanting to go to school and she is sharing her story of determination to keep learning.

Kelly Osborn has spent nearly five years trying to piece together the details of how her daughter, Sheena Morris, could have been found dead in her hotel room on New Year's Day.

What Caused Greg Fleniken's Mysterious Death in a Texas Hotel Room?

Paul Fronczak, an almost 50-year-old married father and businessman that was known for decades as a kidnapping victim, but after using Ancestry.com and following a genetic history, he may have found his family.

Former Rutgers University men's basketball coach Mike Rice said he has learned from his mistakes and is now a changed man.

Deborah Roberts discusses how to avoid being a victim with a convicted car thief; Amy Robach talks to bartenders about what goes on behind the bar; a former vet confesses to Gio Benitez about tricks the industry pulls; Jim Avila interviews truckers.

Barbara Walters sits down with President Barack Obama and the First Lady Michelle Obama in their first joint interview of the year and viewers are shown clips from some of Barbara's past interviews with previous presidents that were memorable.

Nelson Mandela Tribute

In their first interview, Hayden and Abby Catt said their father recruited them to rob banks.

Mall security guard tasers mom and more.

Cecilia Vega reports on a plastic surgeon that advocates a controversial diet that sews a patch to a patients tongue so that they can only consume liquids; Robin Roberts talks with the woman that stopped looking into mirrors for a year.

Kenny Tarr is accused of hoaxing several pro-coaches, and could face jail time.

Remarkable medical conditions are showcased including children diagnosed with Williams Syndrome, families that must deal with Tourettes Syndrome and inside the mind of Daniel Tammet, one of the world's smartest people diagnosed with Asperger's.

Former Rutgers student, Dharun Ravi, sits down for his first interview since being found guilty of spying on his college roommate, Tyler Clementi, with a webcam in the fall of 2010 because he was gay; Ravi faces up to 10 years in prison.

With the Mega Millions reaching almost half a billion dollars, "20/20" looks at past winners and losers, as well as the con artists who want a piece of the winner's take; reports also on broke lottery winners, office pools, and playing the odds.

Children with obsessive compulsive disorder; families of children with schizophrenia shares their experiences.

Transgender beauty contestant Jenna Talackova speaks in her first interview since being disqualified from the 2012 Miss Universe Canada competition because she was not a "natural born female"; Texas wife survives three Murder-for-Hire attempts.

Crazy captains, paranoid passengers and flight attendant freak outs.

Author E.L. James about how the "50 Shades" trilogy was created and how life has changed; host of Lifetime's "The Conversation," Amanda de Cadenet discusses the new talk show; open marriage with kids; gigolos.

A farm kid becomes a gossip columnist who parties with the stars; a band on the brink of success; a young veteran who wants to act; the students of Hollywood High; the murder of a runaway beauty.

Shocking video reveals a server adding unappetizing toppings to a pizza; a surgeon admits to dropping a body part on the floor; salespeople reveal lies they use to manipulate potential buyers; a mother confesses that she is a porn star.

A couple raising their children in a nudist colony; a dwarf family living in an average size house to prepare the children for the real world; a father who posted a video of himself shooting his daughter's laptop online; excessive bribery.

The multi-billion dollar weight loss industry in America.

A look into some of medicine's rare conditions including stories of individuals suffering from the debilitating misophonia, a disturbing and potentially fatal eating disorder known as PICA, and a rare form of epilepsy called Hypothalamic Hamartoma.

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An intimate portrait of Her Majesty Queen Elizabeth II from those who know her best; interviews include members of the royal family as well as several members of the Queen's staff; get an inside look of Buckingham Palace.

Attractive women lure tourists into nightclubs and rack up huge tabs on their credit cards; a teacher verbally abuses a student; a couple film themselves pranking each other and put the videos online; payback songs.

Gymnast Dominique Moceanu talks about a family secret; a grifter poses as a high school basketball player; a man impersonates his dead mother to collect her social security checks; a woman pretends to have cancer.

Chris Cuomo interviews John Edwards' former mistress Rielle Hunter about their current relationship and her new book.

new

A journey around the world to investigate the many different religious and scientific beliefs about the afterlife, what happens to the body and to find out why it is important to believe in heaven.

Insider tricks to avert vacation pitfalls. Joe Darger is a polygamist with three wives: Alina & identical twins (Vicki and Valerie). Together they are raising 24 children.

He thought a bottle to the head would stop a robber; he was wrong. James Holmes, the suspect in a shooting at a movie theatre.

Shocking tale of deception and murder.

Four unique billionaires share how they became successful; getting free sperm from the Internet; a family with three wives and 24 kids.

Friday

A woman who went one year without looking in a mirror; the feeding tube diet; examining professional poker player Beth Shak's obsession with designer shoes; over-indulged pets; behind-the-scenes of the dog dancing competition circuit.

Unconventional and controversial parenting methods include lavish bribes and a dad who became an Internet sensation after deciding to teach his daughter a lesson; people who work with wild animals; animal attacks; the safety of animal parks and zoos.

A man's incredible search and more.

Shocking stories of misbehaving neighbors.

From celebrities and alcoholism to kids attending binge-drinking black out parties and the dangers of walking while intoxicated.

A look at pranks, bullies and teachers pushed to the edge by students; an exclusive interview with Brittni Colleps, a teacher, wife and mother of three, serving a five-year prison term for becoming inappropriately involved with five of her students.

The story of Lottie Spencer and Nick Smith who were cross-examined for hours by Waseem Daker, the man accused of murdering their roommate and mother. Daker was also accused of stalking Lottie Spencer.

Penn State victim Aaron Fisher says officials at his high school stood in the way of justice.

Katie Couric gives viewers an exclusive all-access pass into the homes of country music's biggest stars including Taylor Swift, Reba McEntire, and Miranda Lambert; Luke Bryan and Jason Aldean talk about the greatest female singers in the genre.

Pets Lost and Found in Hurricane Sandy's Wake.

Secrets From Mark Cuban, Office Romance and More

The 10 Germiest Places in a Restaurant, Taste Test: $5 Burger vs. $295 Burger

A look at Colorado City, a town home to the Fundamentalist Latter Day Saints, the largest polygamous community in America, with a leader who continues to rule the town of 10,000 even behind bars, destroying families as he excommunicates them.

Insiders & whistle blowers reveal little secrets of their respective trades.

Holiday Shopping tips from an extreme couponer.

In their first interview together since the re-election, President Barack Obama and first lady Michelle Obama sit down at the White House with Barbara Walters; the first lady gives Barbara Walters a tour of the White House holiday decor.

A family slaughtered in their home, with only one witness left behind.

Men allegedly scammed by so-called "Military Mistress" speak out.

Diane Sawyer reports in-depth look at Islam in America and around the world.

Nev Schulman, discusses his documentary-thriller "Catfish".

A special edition of "20/20" goes inside the rescue mission in Chile.

A new police chief makes it his personal goal to find a teenager's killer.

Bullying is an epidemic among young people.

Criminals use the plight of the plight of ill children to rip off millions.

The lives of three teenagers addicted to heroin and their struggle with sobriety.

Two people, whose testimony as children sent their father to prison for sexual abuse, find out that they have been manipulated into perjuring themselves; their father, released after 20 years, offers them forgiveness.

Brian Ross investigates practices of Better Business Bureaus around the U.S.

Cher is interviewed by Cynthia McFadden. Also: Ashleigh Banfield reports on a romantic rivalry among teen girls in Pinellas Park, Fla., that led to murder in 2008.

A young girl drowns in her backyard pool, and her young step brother blames his mother after police rule it an accident. However, the mother contends that her son was coached and his inconsistent testimony of the events surrounding the drowning cannot be trusted. She is eventually convicted of first-degree murder by a jury in less than two hours, though she continues to appeal her case.

Seven different people with extraordinary abilities and hobbies are profiled, including a spider-like man who scales buildings, a young singer with talent beyond her years, and a real-life mermaid.

Man Calls Police Claiming Wife Shot Herself in the Head; Police Suspect Man's Wife Didn't Commit Suicide, But Was Murdered

A social pariah turned high school "it" girl is accused of shooting four women with the aid of her criminal boyfriend. She claims the manipulative man is the true culprit, while prosecutors insist she is ultimately responsible.

Look for signs a mentally disturbed person may become a killer; investigation into the Peace Corps; interview with political pundit Ron Reagan, Jr.

Look for signs a mentally disturbed person may become a killer; investigation into the Peace Corps; interview with political pundit Ron Reagan, Jr.

Interview with Capt. Mark Kelly, husband of Rep. Gabrielle Giffords (D-Ariz.).

Authorities continue to investigate the vicious murder of a recently divorced school nurse who was a mother of five; Vervet monkeys raid outdoor bars in the Caribbean.

The murder of a woman on Mother's Day rocks a small town to its core, and the many suspects and total lack of an arrest only adds to the local hysteria. After more than a year and a half, local police continue to investigate, but still offer no answers.Later, monkeys who partake in alcoholic beverages in the Caribbean are profiled.

Teenage homelessness in America is investigated, and Chris Cuomo focuses on telling the harrowing stories of a few select young people who let the cameras follow them through their fight for survival.

A couple and their two young children struggle to survive in their car when they take take a wrong turn down a remote mountain logging road In Oregon. With frostbite, bears, and a diminishing food supply threatening the family's survival, the husband is forced to set out on foot to find help.

Air Force Capt. Colleen Shipman talks about being attacked by astronaut Lisa Nowak; TV personality Dina Lohan talks about her daughter Lindsay's troubles with addiction.

The daughter's of a Utah doctor believe he is responsible for their mother's death.

A wealthy family man is suspected of killing his wife during her recovery from plastic surgery. Two of his own daughters soon take it upon themselves to investigate their mother's death and their father's possible responsibility. They uncover damning evidence, including a hidden affair, missing medications, and a string of false records. However, police are not initially concerned with anything but closing the case.

First, Carmina Salcido (a former American Idol hopeful) helps tell her harrowing story involving her murderous father and his violent, homicidal rampage that left her family and others dead. After nearly being killed as a young child, she was adopted by an ultra-conservative family who kept her in the cultural dark for most of her childhood..Later, people who own crocodiles and alligators as pets are profiled.

A breaking news episode regarding the massive earthquake and subsequent tsunami that devastated Japan.

Two separate murders that may have been partially inspired by the hit television show "Dexter" are investigated. Also, actress and singer Jennifer Hudson is profiled and she opens up about a personal tragedy in her life.

A successful real estate agent is found strangled and burned to death in her own home. Her boyfriend is suspect number one when evidence of arson is found on his clothing, although his defense team argues there is a lack of physical evidence.

Investigative reporting.

Barbara Walters discusses Prince William and Kate Middleton's romance and looks at exclusive home movies, photographs and interviews with their friends; wedding plans.

Part 1

Part 2

The death of Osama bin Laden.

Informercial products are put to the test; interviews with celebrity spokespeople; the Arnold Schwarzenegger and Dominique Strauss-Kahn sex scandals.

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Police investigate whether a woman committed suicide or was murdered by her husband; the final report on the case has a stunning conclusion.

An 18-year-old woman begins a romance with a man she met in an online chat room; police investigate when the romance ends in murder.

Swimming coaches are banned by USA Swimming for molesting teenagers they coached; a 911 dispatcher walks a husband through delivering his baby.

The latest on the the murder of 7-year-old Somer Thompson, including an interview with a former suspect.

Sixteen-year-old Skylar Neese disappeared after she snuck out of her West Virginia home in 2012. Investigators later learned that two of her friends had stabbed her to death.

3-year-old Riley Fox vanishes, her father is implicated. But is he really behind this crime or is he a victim of politics and a criminal investigation system out for blood?

A family slaughtered in their home, with only one witness left behind.

Men allegedly scammed by so-called "Military Mistress" speak out.

Blair Griffith's family was evicted after she was crowned Miss Colorado USA.

For a growing number of people, cyber acts have led to life-altering damage.

A woman accused of conning nine military servicemen discusses her actions.

Interviews with the cast of 'The Help' and an emotional reunion.

Parents spying on their children; Carnie Wilson talks about her surgery and career; Jane Pauley discusses her retirement from NBC and future endeavors; a teenage girl born without arms excels

Deborah Roberts takes a look at nepotism, and interviews with Donald Trump and his children Donald Jr., Ivanka and Eric, Andrew Firestone, Faye Dunaway and her son Liam, Cybill Shepherd and her daughter Clementine Ford, Dr. Phil McGraw and his son Jay, and Gov. Frank Murkowski, who appointed his daughter Lisa to his senate seat.

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Is America Number 1? And if so, number 1 in what? Government? Economy? Culture? What makes a country prosperous? Democracy? The U.S. and India both have democracy, but only one is prosperous. Natural resources? Hong Kong and the U.S. are both prosperous, but only one is rich in natural resources. John Stossel argues that what makes a country prosperous is rule of law and economic freedom.

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Should a business be able to pay pregnant women less? Why should taxpayers foot the bill for search and rescue operations for people who take foolish risks? If Miss California can enhance her body with implants, why can't an athlete enhance his body with steroids? Isn't it about time for America to give less money to the elderly? John Stossel takes a look at taboo subjects we can't talk about in America.

Can going out in the cold give you a cold? Is life getting worse? Can money buy happiness? You may be among the many who would answer yes to these questions. You'd be wrong. There are a lot of popularly held beliefs out there that simply aren't true. Yet the media tend to report on many of them as though they were hard facts.

About the case of Ted Kaczynski

The life and legacy of "Jeopardy!" host Alex Trebek, including Robin Roberts' interview with Trebek when he first revealed his cancer diagnosis, a behind-the-scenes look at "Jeopardy" and footage of Trebek's early start on television.

A step inside the new "West Side Story", from director Steven Spielberg, featuring interviews with the cast and crew, and discussions with Puerto Ricans on the role this story has had on their lives.