When a Bible-teaching mom goes missing from her family's farm, Missouri investigators must decipher a cryptic handwritten note.

When 17-year-old Macin Smith doesn't come home from school, his parents worry. A note hidden in his wallet leaves his family troubled. And police attempt to piece together the puzzle while his family vacillates between hope and despair.

Twenty-one-year-old Kortne Stouffer vanishes from her bed one night following a couple of scuffles with neighbors and friends. Investigators pursue various leads, but the young woman is nowhere to be found, and her family clings to an endless hope.

A young woman moves to the U.S. for a new opportunity, but in a mere matter of weeks, she vanishes without a trace. Kidnapping survivor Elizabeth Smart joins in the search to find her in this mystery where the clues are sparse.

20-year old Bear Diaz has diabetes, leaving him weak and vulnerable. When he vanishes in the night with his TV, backpack and cash, investigators must consider foul play. Then Skylar Tosic disappears, leaving people wondering if the cases are linked.

After a night at home watching movies, 18-year-old Zoe Campos cannot be found by her family the next morning. As investigators pore through the teen's Facebook account, they discover she did not turn in early as her loved ones originally thought.

On route to the airport, nineteen-year-old Katelin Akens makes an unexpected stop at a Virginia shopping mall...and vanishes. Police investigate her loved ones and start to suspect that someone close to Katelin may know more than they’re saying.

Eight-year-old Zachary Bernhardt disappears from his Florida home late at night. Suspicions swirl around his mom, but she denies any involvement and moves away. When another boy goes missing, new theories emerge.

A young man gets life-changing news and drops everything to start a new chapter. But when he never calls home again his family knows something is wrong. Police begin to investigate but encounter a tangled web of contradictory stories.

When 15-yr-old Kayla Berg isn't home after a night out, her loved ones believe she's staying with friends. But when six days pass and the aspiring gymnast is missing, the details of her last known whereabouts raise suspicion in a close-knit town.

A date night in Philadelphia becomes disturbing when a couple disappears. Their families unite to find them, but as desperation grows, finger pointing puts them at odds. Soon, the FBI takes over the investigation that is riddled with speculation.

Missing Since 2011 from Hartford, Conn. Nineteen-year-old Angel Garcia spends the day riding his dirt bike around Hartford, Conn., but when he never makes it home, his close knit family is thrown into a panic. Angel’s friends tell police that he was chased by a mysterious SUV the night before he disappeared. When detectives learn that Angel had stolen the dirt bike he was riding, they wonder if he was taken out in revenge, or could he have fallen from a railroad bridge into the deep and dark Connecticut River? Finally, four months after he vanished, a clerk says she thinks she’s spotted Angel in a convenience store just 15 miles from his home. Could it really be the missing teen?

Missing since 2015 from Spokane, Wash. Thirty-five-year-old Spokane mother of three, Deanne Hastings never returns home after a late night trip to the grocery store. Though she has a history of mental illness and has gone off the grid for days at a time in the past, her family says she’s always let them know she was leaving. When her fiancé tracks down her abandoned car and finds her purse and phone locked inside, he knows something is very wrong. And as Spokane detectives uncover more information about Deanne’s actions leading up to her disappearance, a slew of theories emerge.

Jessica Heeringa is working the night shift at a gas station. When a customer arrives just before closing to find the store empty, investigators believe she's been abducted. It's a case that reveals Jessica's biggest secret and the many men who adored her

25 year-old artist Tiffany Daniels never makes it home from work. When her car is found abandoned in a Pensacola Beach parking lot, it sets off a desperate search for the missing young woman...and dark speculation about her disappearance.

The case of a college student who went missing while driving home to visit his parents.

Tammy Kingery suffers a mysterious illness and is bedridden at home. Her husband and children leave to run errands and, when they return, Kingery has disappeared. They find a note saying she's gone for a walk, but they live deep in the woods and she's taken nothing with her. Massive search efforts yield no signs of the 37-year-old nurse. On the surface it seems like she had everything she ever wanted - a loving family, a rewarding career, and a dream house - but an investigation reveals dark secrets leading to all kinds of theories about what may have happened to Kingery.

Brian Histand, a 25-year-old nationally renowned BMX rider, was last seen wandering in an alfalfa field on the southern edge of Phoenix, Ariz. Police respond to reports of a naked man in the fields but determine that Histand doesn't pose an imminent threat to himself or others. Family and friends fear for his safety in the harsh Phoenix heat and, as they search, they learn that he's exhibited disconcerting behavior over the last few days. Histand never wore a helmet while biking despite his fondness for stunts and jumps. Could concussions from his risky bike moves have led to a dangerous state of confusion?

Sixty-year old stonemason David Riemens has one final meeting to attend about a construction job before he drives from Tennessee to Michigan to visit family. But when he never returns home to collect his bags, and his truck is found abandoned in a local parking lot, friends immediately sound the alarm. Desperate to find him, investigators try locating the unknown construction site and look for clues in Riemens's unconventional off-the-grid lifestyle, but every avenue they explore leads to yet another dead end. The only indisputable evidence they have to go on is that Riemens has seemingly vanished into thin air.

Former Harlem Globetrotter Rico Harris is driving from LA to Seattle to move in with his fiancée, Jennifer Song. It's an 1,100-mile road trip, but Harris is determined to reach his new home in time for a job interview less than two days later. The 37-year old is in constant contact with Song and his mother from the road but, after he mentions a detour into the mountains, all communication ceases. When his car is found abandoned in a remote recreation area, investigators and his loved ones embark on a journey that grows more baffling with each clue that surfaces about Harris's possible fate.

Hoagland doesn't show up at the airport to pick up his wife Lori, she's frantic. No one knows where he is. Police find his car miles from home with his son Max, inside. He tells investigators that his Dad had a confrontation with some men at an abandoned factory a few days earlier. The more police investigate, the more the mystery deepens. Security video at a gas station shows Hoagland buying a map. But if he disappeared voluntarily, why did he leave everything he owned behind? Did Robert Hoagland walk away from his life or is he the victim of foul play?

Waitress Brandy Hanna leaves work Friday afternoon for a weekend off. But Monday morning, when she doesn't show up for work, her mother is convinced Brandy is in trouble. Did she walk away from her rocky love life? Or was she the victim of a fatal crime?

When recent college graduate Jennifer Kesse doesn't show up for work, her friends and family know something is wrong. Their worst fears are realized after her car is found empty and abandoned a mile from her apartment. Police immediately investigate the dozens of construction workers who are building Kesse's apartment complex at that time, however no clear suspect emerges. Surveillance footage of someone driving her car is recovered but, frustratingly, police are unable to identify the suspect. Almost a decade later, this mysterious case continues to baffle law enforcement and haunt her family.

When 25 year-old college grad, Mitrice Richardson, goes missing after being released from a remote sheriff's station at 12:30 AM, a heated battle for answers ensues. Multiple sightings have family and authorities divided on the young woman's whereabouts.

21-year-old Bethany Decker is a hard-working student, waitress, mother, and wife of a National Guardsman serving in Afghanistan. When she vanishes while pregnant with her second child, police discover her life was more complicated than anyone realized.

35 year-old Jesse Capen vanishes on a camping trip in Arizona's Superstition Mountains. While law enforcement searches the vast wilderness, his family finds a huge secret on his computer. His disappearance may have to do with the legend he is chasing.

52-year-old Colleen Wood has found love and a new life in South Florida. Her wealthy boyfriend offers her the chance of a lifetime--- a round the world trip on his yacht. Then Colleen suddenly vanishes and the boyfriend is the only one who knows why.

Hatice Corbacioglu went on a romantic trip with her fiancé but didn't contact anyone in weeks. Worried friends and family report her missing. When investigators unravel her fiancé's dark secrets, they suspect he is involved with Hatice's disappearance.

Twenty-four year old aspiring actress, Satara Stratton disappears in Hollywood. In Tennessee, her mother Sharon Stratton is desperate to find her. She launches a search to find Satara that takes her deep into the seedy side of a star studded city.

Twenty-four year old competitive runner Amy Wroe Bechtel goes for a run in the forest outside of Lander, Wyoming and vanishes without a trace. The investigation into her disappearance spans years and hundreds of square miles.

Backcountry ranger Randy Morgenson was the go to person if someone was lost or missing in Sequoia Kings Canyon National Park, until the day he vanishes. Colleagues search for him in dangerous terrain uncovering unsettling secrets.

Lauria Bible attends a 16th birthday sleepover for her best friend Ashley Freeman in rural Oklahoma. That night, the house goes up in flames, and the girls mysteriously vanish. The clock is ticking to find the missing girls before it is too late.

Mid-western TV news anchor Jodi Huisentruit fails to show up to work one morning and police are called to a disturbing scene at her apartment complex. An investigation into her disappearance uncovers troubling details that has a small community on guard.

Bob Wykell is no ordinary 66 year old retiree. He loves flashy cars and makes good money restoring and selling classic vehicles. In February,1996 Bob tells friends he is about to close on his dream car. Then he drives off and is never seen again.

Tracy Ocasio is spending the night watching the Magic in the NBA playoffs in Orlando. A night of celebration turns tragic when Tracy disappears. Investigators begin to wonder if someone Tracy is familiar with holds the answers to her disappearance.

Eighty-one year old Bob Harrod is overjoyed when he marries his childhood sweetheart after sixty years apart. But days before his new bride moves in, Bob vanishes. Police cannot locate him and soon find a strong motive for foul play: Bob is a millionaire.

When an exotic bird ranch in Loxahatchee, Florida is abandoned, leaving uncertain the fate of 700 valuable birds, a bizarre mystery unfolds. The search for the missing owners, 31 year-old Moses Lall and his 36 year-old Aunt Lila begins.

On July 7, 2007, 18-year old Jarrod Johnston walks away from his grandmother's home in Mississippi. His Dad sees similarities between his own sister's disappearance 25-years earlier and his son's. It becomes hard to hold out hope his son will ever return.

Forty-two-year-old Patricia Viola is living the life of her dreams. She has two wonderful children and a happy, stable marriage. On February 13, 2001, Pat wakes up, gets the kids ready for school, and then volunteers at the local library. She returns home, briefly calls her mother, and then is never seen or heard from again. Police immediately launch an investigation to determine if Pat was the victim of foul play or if she left voluntarily. Ten years later, a private investigator stumbles on a surprising connection between Pat and a triple homicide that could blow the case wide open.

Mandy Stokes leaves her apartment to run errands on the Sunday after Thanksgiving in 2007. When she doesn’t return by the next morning, friends and family aren’t immediately concerned, but Mandy’s mother feels that something is wrong. Her intuition sparks a missing person’s investigation by Oakland Police that leads from the apartment Mandy shared with her brother to the cavernous ravine where her car is found abandoned. In a bizarre twist, police transfer the case to the Homicide Unit, and her mother’s worst nightmare begins to unfold as she is forced to consider the possibility that her own son is involved in Mandy's disappearance.

Leah Peebles recently moved from her parents’ home in Texas to Albuquerque, NM, for a fresh start after years of struggling with drug addiction. Though she came from a supportive, tight-knit family, Leah had turned to drugs to cope after being molested as a toddler and raped as a teenager. Clean for the first time in years, Leah is eager to start her career as a hairstylist and get her life on track. But just a few weeks after arriving in Albuquerque, she steps out one night for a date and never returns. When the Peebles family feels the police are too slow to respond, Leah’s father decides to take matters into his own hands and hunt for her himself. He discovers Leah has fallen back into drugs and, worse yet, has turned to prostitution to support her habit. Rumors abound and the Peebles fear Leah has fallen victim to foul play. As he traverses Albuquerque’s underworld, seeing things he never thought he would, Mr. Peebles remains determined to search until he can bring her home.

Amber Gerweck is busy dividing her time between raising her four children and working full-time on a contract with the Department of Homeland Security, when suddenly she stops showing up at work. Police search her apartment, but Amber is nowhere to be found, and evidence alludes to foul play. Only a few hours later, Amber’s vehicle is found abandoned in a parking lot in Georgia, more than six hundred miles from home. A surveillance video from the adjacent Dollar General store reveals Amber walking through the store and purchasing items apparently unharmed, but her parents are terrified. What has happened to Amber since? By the end of the first week, Georgia police mount an extensive search through the surrounding area, but they fail to uncover any clues. A number of weeks pass, and the case begins to go cold. Amber’s parents are devastated. Then, they receive a phone call that changes everything.

Colleen Orsborn goes missing after skipping school for a day at the beach. Although the spontaneous, outspoken teen has been known to get into tussles with her mother, she usually leaves a note indicating where she will be, and she always returns home. Family and friends worry that something very sinister has happened, preventing Colleen from returning home. Then, when news breaks that a notorious serial killer named Christopher Wilder can be placed in Daytona Beach the day the teenager went missing, their fears could become warranted. The disappearance of Colleen is a baffling mystery that haunts Central Florida for decades, until one woman uncovers a clue that has been right under their noses for nearly thirty years.

Jerry Michael Williams is a successful businessman in Tallahassee when he goes on a solo duck-hunting trip to Lake Seminole and disappears. Searchers find his truck, his boat, and his shotgun, but they can’t find Mike. It’s assumed he’s become the victim of a tragic boating accident, but officials are perplexed that his body hasn’t surfaced, because that would make Mike the only drowning victim on the lake who has never come up. Lake Seminole is infested with alligators, and a frightening theory is raised of what might have happened to Mike. Searchers tell his mother that alligators may have eaten him. She doesn't buy that explanation. While she hopes her son is alive, she begins to think he may have been the victim of murder, not misadventure.

Seventeen-year-old Brianna Maitland found life on her parents’ remote farm boring, so in the fall of 2004, she transferred high schools to be with her friends. But after a short while, Maitland dropped out and couchsurfed with help from friends and boyfriends. With no consistent place sleep each night, it took four days for her family to realize she had gone missing. After numerous searches and an extensive investigation, the Maitlands are left to wonder what really happened to their daughter. Police think it all points to foul play, while others speculate that the teen was taken.

Lily Aramburo, a new mother and recovering drug addict, falls back into her old habits with her fiancé, Christen Pacheco. She goes to rehab but is kicked out for failing a drug test. The next day, after smoking crack with Pacheco and two friends, Aramburo walks out of her condo at 2 a.m. carrying two bungee cords. When she doesn’t return, family and friends wonder if she’s committed suicide. Before long, however, suspicions begin to swirl around Pacheco. Now, thanks to the persistence of Aramburo’s loved ones, investigators may be close to unraveling the truth.

Tina McQuaig was a 27- year-old wife and mother. On the evening of March 15, 2000, after work at the hospital, she called her babysitter to say she’s stopping at the grocery store on her way home. That was the last anyone heard from McQuaig. When her car was found four days later, her keys and purse were gone, as if she parked and walked away. As authorities probe McQuaid’s life, they discovered secrets that stun her husband and family.

The day after intense stomach pain sends her to the hospital, 22-year-old Jamie Fraley misses an important appointment and is never seen or heard from again. By all accounts, she is happily awaiting the impending prison release of her boyfriend, Ricky Simonds Jr. They plan to get married and start a family together, but investigators find that, while Simonds, Jr. is away, his father Rick Simonds, Sr. has developed more than just a fatherly interest in Fraley. With a violent criminal past, investigators are convinced that Simonds, Jr. has something to do with Fraley’s disappearance.

Nineteen-year-old Ginni Wood embarks on a 1500-mile spring break road trip from North Carolina to Texas to visit her best friend Kelly Gaskins. Wood speaks to her mother upon arrival, but then disappears along with Gaskins and her boyfriend Ervin Williams. Investigators soon realize that Ervin is wanted back in North Carolina on charges of assault and arson. The girls’ families wonder if Ervin is involved in their disappearance, or if he’s a victim himself. When police learn that the three kids may have crossed the border into Mexico, they question where to turn for answers.

Susan Walsh is not your typical New Jersey mom. During the day, she writes for the Village Voice newspaper and attends a graduate writing program at New York University. At night she works as a stripper in go-go bars, struggling to make ends meet while pursuing her dream of becoming a full-time writer. While her life is not easy, Walsh’s loved ones are shocked when she does not return home after placing a mysterious call on a public payphone. Her unusual life sends investigators in a myriad of directions, but one thing that everyone agrees upon is that Walsh would never willingly leave her eleven-year old son.

When Terrance Williams goes missing after a party with coworkers, his mother enlists the whole family to aid in the search. They locate the young man’s Cadillac in a wrecking company’s lot, having been towed from a cemetery the morning after Williams attended a work party. Witnesses remember seeing him get arrested by the same deputy that had the Cadillac towed, but when family finds no report of an arrest or booking, they feel something is amiss. Then, after a complaint is filed against the deputy, an internal affairs investigation unveils disturbing details that ring eerily similar to the case of another missing man in North Naples. Is the Collier County Sheriff’s Office confronting a coincidence in the extreme, or are they faced with investigating a only person of interest may be one of their own? L

Jackie Markham, a feisty trucking company manager, picks up a prescription near her home and vanishes. Markham’s friends and family are certain the 51-year-old workaholic would never abandon her responsibilities to her job or her adored children and grandchildren. A boyfriend reports that Markham made a mysterious phone call the night she vanished, warning him that a rival suitor was at her house and drunk. He claims to have raced to her house, but found her gone. The sheriff has his doubts, but then her purse is found in a ditch in a rough neighborhood not far from a serial killer’s lair, and the case takes a much darker turn.

This recovering drug addict has gone missing in Monte Vista, Colorado. Did the pressure of sobriety become too much, or has someone harmed her?

Mother of two, Allison Jackson-Foy left a bar after drinks with a close friend and was never seen or heard from again.

Local police know Margaret Haddican McEnroe as a hero firefighter, with a fiery temper but strong maternal instincts. So when she disappears from her home, leaving behind her infant daughter alone in her crib, authorities, friends and family are all baffled. How could this loving mother vanish without a trace? It seems unlikely the feisty Army veteran was abducted by a stranger, so the investigation focuses on people she knows. Finally, the FBI is called in and the focus of suspicion narrows down to someone that McEnroe knows very well indeed.

In August 2010, Noah Pippin, a 31-year-old ex-marine leaves his parents’ home in Lake Ann, Michigan headed west to report for drills with the California National Guard. But Pippin never shows up. Investigators pick up a trail that leads them far from California and into the heart of some of the harshest wilderness in the U.S. As time passes and the clues in Pippin’s case grow more ominous, his parents can only wonder what’s driving their son deeper into the unknown

Clinton Nelson heads off to Louisiana to get to know his biological father and take a job in the oilfields. The 20 year-old is looking for a fresh start. But 6 months later, the bayou is combed for traces of a man who had been facing enormous pressure.

Disappeared: Little Girl Lost Joey Lynn Offutt, mother of three small children, vanishes after an argument with her on-and-off-again boyfriend. Is she holding a grudge or overwhelmed by motherhood and taking a break? A fiery tragedy leaves loved-ones searching for answers.

In August 2010, diver Ben McDaniel went into “the Vortex” as he had done before, but this time he was never seen again. Rescue divers are convinced that he is no where to be found, so where could he be?

Suzy Lyall never returned to her dorm room after working the nightshift. Could she still be close to campus?

Fourteen-year-old Chioma Gray has gotten herself mixed up with a much older boy named Andrew Tafoya. Against her mother's wishes, Chioma keeps seeing him and the inappropriate relationship continues down a harmful path.

Escort Shannan Gilbert runs screaming from a client's house and disappears in the darkness. Police launch a search through the underbrush. What they find hidden in the weeds sparks one of the most extensive investigations in Long Island history.

T In January 2000, shy 18-year-old Zebb Quinn leaves his work shift at the local Wal-Mart with an acquaintance to go take a look at a car for sale across town. But when he stops returning his mother‟s pages, she begins to worry. Before long, a police investigation begins and some bizarre evidence surfaces leaving family members wondering whether Quinn could be a victim of foul play.

Thirty-eight-year-old Dana Pastoria has finally saved enough money reading tarot cards and working as a deli cashier to leave The Big Easy, write her memoir, and try to get custody of her two beloved daughters. She quits her job to pursue her dreams but never manages to get out of town. Three years pass and Hurricane Katrina hits before anyone realizes that Pastoria is missing. It‟s not until the flood waters recede that the truth about her disappearance is exposed.

Interior designer William "Billy" McGrath is a self-made millionaire who has found success in the Arizona real estate market. But when he abruptly cancels an appointment with his financial advisor, and someone else starts impersonating him over the phone and through email, his friends become concerned. Police check his house, but McGrath is nowhere to be found. His violent ex-boyfriend is about to be paroled and it appears as if he‟s recently changed all his locks. Has he fled town in fear or is something far more sinister going on? Friends suspect foul play and as police follow the clues they discover a twisted scheme indeed.

The McStay family disappears from their San Diego home without a trace. There are no signs of foul play and no indication that they were running from anything. Could the McStays have intentionally walked away, or did something more sinister occur?

At midnight, Patti Adkins leaves her shift at the Honda factory and vanishes. Investigators learn of a mysterious relationship and a secret trip that was supposed to happen that night. As clues emerge, detectives piece together a troubling picture.

16-year-old Molly Bish arrives at her lifeguard job one morning and minutes later vanishes. The disappearance has police thinking that Molly drowned, but her mother's intuition leads to an investigation of a suspicious man in a white vehicle.

Brian Barton has a successful punk rock band in Seattle, Washington. But Brian suddenly quits the band, breaks up with his fiancée, and disappears. Investigators wonder if he walked away, killed himself, or if his bandmates committed foul play.

After an argument with her boyfriend, 18-year-old Roxanne Paltauf leaves an Austin Texas motel on a balmy July evening and doesn't return. With her belongings left behind, family and friends speculate about what could have caused her disappearance.

Jeremy Alex races out of the woods towards a house in Northport, ME. He tells the owners that "bad guys" are after him but runs away before they can get help. Searches for him yield nothing until four years later when an intriguing discovery is made.

Toni Lee Sharpless has some demons in her past, but she's pulled her life together with a rewarding job and an adorable daughter. But a night on the town threatens this stability, sending Toni over the edge and leading to her dramatic disappearance.

After the deaths of her parents, 23-year-old Leah Roberts leaves her North Carolina home on a soul-searching journey. But when her Jeep is found nine days later wrecked and abandoned in a Washington national park, police and family are stymied.

Ray Gricar has made a long career as a District Attorney, prosecuting Centre County Pennsylvania's toughest crimes. However, when he doesn't return from a short country drive, investigators struggle to pick up the pieces.

When Sherill Levitt, her daughter Suzie Streeter and friend Stacy McCall vanish from a house one night, the town of Springfield is left reeling. A violent criminal in the area says he knows where the women are buried, which only stirs up more questions than answers.

Rebellious 18-year-old Samantha Bonnell vanishes during a night out with friends. Her mother begins a harrowing search with no help from police. When Bonnell’s suitcase turns up miles from where she was last seen her mother hopes it isn't too late.

Brandy Hall is a role model to her family, friends and the entire community where she lives. The 32-year-old mother of two worked as a paramedic and firefighter in the area for over ten years, but after a devastating year in which her husband is arrested for marijuana cultivation and she loses her job, she mysteriously disappears. Less than 24 hours later, Hall’s truck is found submerged at the bottom of a pond and it's only the beginning of a series of mysterious clues that baffle investigators and leave Hall’s loved ones bereaved and confused.

When 33-year-old Patty Vaughan’s minivan is found abandoned with a flat tire just 24 hours after she reportedly left her three kids and estranged husband behind on Christmas day, her family fears the worst. Could Patty have asked the wrong person for a ride to work after her blown out tire? All indicators point to an abduction, but as the race to find Vaughan ensues, clues start to emerge that paint a very different picture of what might have happened to the mother of three.

Rachel Cooke, a 19-year-old college student, goes out for a jog and disappears. Texas Rangers, FBI agents, and hundreds of volunteers hunt for her on foot and horseback, while divers comb local waterfronts and loved ones hang flyers. Cooke has no known enemies and no reason to run away, but the extensive searches yield nothing. The case grows cold until a new suspect offers a shocking story that could finally put the mystery of Cooke’s disappearance to rest.

Virginia Tech student Morgan Harrington promises to meet her father the morning after attending a Metallica concert, but she never shows up. Her panicked parents learn that Morgan left her friends during the concert and never came back. Witnesses paint a strange picture of her behavior outside the concert venue: she was erratic, belligerent, incoherent, and in the company of three young men. Even more bewildering are multiple reports of Harrington hitchhiking late at night on a dark road. Weeks and months go by without solid leads until forensics link Morgan’s disappearance to a violent crime in another city three hours away.

Steven Koecher’s car is found abandoned near Las Vegas – two hours from his home in Utah. It’s a shock to those who know the young and well-liked journalist. As police retrace his steps, family members learn it’s been two days since anyone is known to have seen or spoken to Koecher. The car’s location in an upscale retirement community is an unlikely place for someone on the lam to ditch a vehicle, and Koecher isn’t the type to just take off. Yet there’s also no sign of violence or a suspect with a motive. Then, as his frantic family launches an all-out search, tantalizing stories emerge and bizarre hypotheses, clues, and sightings start to accumulate.

Charlie Allen Jr. is excited for his future as a doctor and aspiring tennis professional. But he sends his family into a panic when he reports to his sister that people are after him. His parents try desperately to reach their son, but all attempts are futile. A few days later, police discover Allen’s backpack in a yard, his car abandoned in a campus parking lot, a link to a local break-in, and receive reports that he was seen running shirtless and shoeless along a wooded road. Police find no sign of foul play, but also no sign of Allen. As the investigation probes further, some wonder if the threat to Allen came from someplace much closer to home.

Known for her quick smile and lightning speed on the soccer field, 17-year-old Brittanee Drexel from Rochester, N.Y., slipped off to spring break vacation in Myrtle Beach, S.C., without the consent or knowledge of her parents. On April 25, 2009, the night before she was supposed to come home, Drexel disappears. Video surveillance shows Drexel exiting a friend's hotel and her last known communication is a text to her boyfriend. But when police track her cell phone to an isolated rural area known for alligators and swamps, her family fears the worst.

After spending the day with students on October 24, 2005, 30-year-old high school teacher and former beauty queen Tara Grinstead vanishes from her home in Ocilla, Ga. To investigators, it first appears that Grinstead left with someone willingly - until they discover a latex glove in her front yard containing male DNA and indicating foul play.

Police receive a tip 6 years after a 28 year old woman disappears connecting an old colleague to it and another women's murder.

33-year-old Tanya Rider goes missing after her overnight shift at a grocery store in Bellevue, Wash. When her husband Tom contacts 911, emergency officials refuse to file a missing persons report because they think Rider may have left on her own. Tom must battle to get authorities to start a proper investigation, and when they finally do, detectives suspect he's involved.

Marina resort owners are no where to be found after meeting with their accountant when they discover money missing.

Man vanishes from his new apartment and his parents life is turned upside down only to find he has been guarding a dark secret.

A single mother takes an evening walk while chatting on her cell with her boyfriend. Suddenly, he hears her scream - begging someone not to take her. Police think she's been abducted - but by who? Eight months later, a potential suspect emerges.

After six months in the Mojave Desert in 2004, following the custody loss of her children in TX, 30-year-old April Pitzer is ready to come clean and return home. But when her past comes back to haunt her, the mother of two is nowhere to be found.

When a 45-year-old CFO's SUV is found abandoned in a state park a day after he leaves his Little Rock home for work one Monday morning, friends and family speculate whether troubles at work over an impending deal are tied to his disappearance.

While shopping for land in Oklahoma, Bobby and Sherilyn Jamison and their six-year-old daughter Madyson vanish. Mystified investigators uncover a series of disconnected leads pointing to drugs, family dysfunction, and even supernatural beliefs.

Tim Carney vanishes one morning on his way to morning prayers at his church. After Tim's car turns up by the airport and his bank account is nearly emptied, the Carneys believe he may have fled the church and its strict lifestyle, prompting a search.

When thirty-three year-old roofer, Jeramy Burt's car is found torched in a remote desert valley in southern Idaho, three months after he goes missing, text messages sent to his ex-wife about wanting to start a new life are now questionable.

When 17-year-old Kara Kopetsky doesn't come home from school one day, her family panics. Foul play is suspected and a series of unsettling clues surface. But the leads grow cold until a month later when another local teenage girl goes missing.

The case of a mother-of-three who vanished, but as the case unfolds the community if shocked by the woman's secret past.

A 25-year-old woman disappears while out on a date with a friend from out of town; a suspected sexual predator is thought to be connected with the disappearance.

Investigating the disappearance of Michele Whitaker who vanished after hitching a ride from a truck stop.

Following the search for teenager Lee Cutler, who went missing one morning after seeing a friend. Investigators try to discover if he has joined the Israeli army.

A 21-year-old college student goes missing after her car swerves off the road 140 miles away from her dorm.

The investigation into Billy Smolinski's disappearance after he discovered his girlfriend had cheated on him. Detectives try to find out if she is behind the mystery.

A woman's car is found abandoned and investigators try to find out whether she has been abducted or she is on the run.

Madalyn Murray O'Hair disappeared in 1995 with two members of her family and over a half-million dollars.

When Rosemary Christiansen disappears, detectives investigate to see if her husband's new girlfriend has any information that might solve the mystery.

A series of dramatic events brings back into the limelight the case of a blues guitarist who vanished.

A basketball player and his girlfriend vanish while sailing, and investigators try to find the only person who may have information - the man's brother.

When a lawyer disappears from a Colorado mountain town the local community are shocked, but investigators soon find secrets lurking beneath the town's idyllic veneer.

Twenty-three year-old Brandi Wells is a spirited young woman about to get a second chance in pursuing her lifelong goal. But, her dreams are cut short when police find her abandoned vehicle.

On February 9th Charli Scott vanishes without a trace. Charli’s family and the community band together in search of the 27-year-old pregnant woman. Last seen in her car on a treacherous road, her family fears Charli’s been in an accident, but as pieces of evidence surface, the mystery heightens.

On May 1, a free-spirited 23-year-old Lauryn Garrett from Sequim, WA vanishes after calling her father for a ride home. Lauryn's family embarks on a journey to find her and uncover startling clues linked to her past that may help solve the mystery.

In 2014, 23-year-old Christina Morris spent an evening out with friends in Plano, Texas but never returned home. A massive search involving police, volunteer searchers and even drones ensues but each new fact about the case brings more questions.

25-year-old Kelly Nash vanishes from his Georgia home one night without a trace. His loved ones are heartbroken but quickly mobilize an intense search. And then...surveillance video surfaces. But is the image on it Kelly? And can it help find him?