An abusive father becomes a casualty of his own hate at the hands of his young son; a serial killer stalks a small town and the local police set a risky trap using one of his surviving victims as bait.

A mother manipulates her daughter into a murder plot; two goth teens become involved in a love affair filled with sex, drugs and murder.

A violent ex-con's jealousy leads to a massacre; a boy shows early signs of being a psychopath.

The case of two neo-Nazi brothers who murdered their parents and brother in Allentown, Pa.

Two girls in love conspire to commit murder after they are bullied and shunned; two teens fall in love with the same girl and it changes all three of their lives.

A teen is coerced into participating in a deadly criminal plan; three teens become involved in petty theft and murder.

An outcast joins a military-style cult of misfit teens who are brainwashed into committing crimes; two high-school football players share a fantasy of carrying out an armed robbery.

A girl's 1961 disappearance is examined. Also: teens obsessed with vampires, devil worship and drugs.

Teens inspired by "The Godfather" form their own organized crime group. Also: youth sports turn ugly when a bullied kid fights back.

An abandoned boy turns to violence; a mother finds a disturbing message on social media that leads to a murder investigation.

The 1997 murder of a family in Washington state; the 1991 disappearance of two kids in Virginia.

A Texas girl convinces two friends to commit a crime; a girl gets her boyfriend to solve her issues with her mother for good.

Two runaways find themselves on opposite ends of a Satanic ritual; a killer claims the devil made him murder his parents.

The relationship between a school girl and her new friend spirals out of control when a rival takes offense; a teen obsessed with his ex-girlfriend is unable to contain his jealous rage.

A case involving bullying in a small Illinois town; a hunt for a serial killer in Rhode Island.

A family's 2004 murder in Roswell, N.M., is the focus.

A teen boy gets involved in a dangerous online relationship; a very real monster terrorizes Amarillo, Texas, on Halloween night 1979.

Teenagers, who because of hormones and development within the brain, cannot deal with intense, raw emotions.

Stories of children killing a family member.

A 1991 robbery of an auto parts store goes awry; a thief kidnaps a cashier at a convenience store.

A deadly shooting carried out by a teen at a San Diego elementary school.

A look at antisocial adolescents who found unity in gangs or criminal cults only for tragedy to strike.

The body of an elderly woman is found spray-painted in red; a boy kills his grandparents after he was prescribed a medication for anxiety.

An 8-year-old vanishes without a trace, a neighbor with a suspicious past is targeted, but no one is prepared for what's revealed; A hard-working teen with a bright future is set up and slaughtered to death by the friends he least expects.

In Canada, a 7 year old boy is murdered and partially eaten by a 14-year old. Elyse Pahler, a fifteen-year-old California girl who snuck out of her parent’s home to meet three male acquaintances from school. The boys-teenagers who had a heavy metal band-killed Elyse as a sacrifice to Lucifer so their band would take off.

Canadian serial killer Peter Woodcock, a teenager who murdered three young children in 1956 and 1957. Woodcock was placed in psychiatric care. While institutionalized, he murdered a fellow psychiatric patient in 1991.

Young sex offenders who kill.

Sophie Lancaster was a twenty-year-old English woman who was beaten to death in 2007 for dressing in the Goth style. Sophie and her boyfriend, Rob, were attacked while out walking together. One of the responding emergency professionals was unable to tell whether the victims were male or female due to the extent of their injuries.

On April 23, 2006, Canadian police find the bodies of the Richardson family; a young teen convinces her boyfriend to murder her overly strict grandmother; in France, Pierre Folliot murders his parents and his brother but his sister survives.

Eight days after the Columbine massacre, Canadian Todd Smith opens fire at his high school, killing one student and wounding another. In 1995, French teen Leila Zafar murders her friend in her school restroom after an argument. In 1997, American youth Luke Woodham murders his mother before going to Pearl High School to murder his ex-girlfriend, her friend and wounding 7 others.

In 1993, two British young friends abducted two-year-old James Bulger, took him to a railway track and brutally murdered him. In Canada, a young boy arranges for his two friends to murder his mother and grandmother while hanging out with a girl to establish an alibi. While running away from their California homes, two teen girls murder an elderly woman for her car.

Matthew Reid was a 3-year-old foster child from Canada who had been with the same foster family since the age of 10-months. The family took in an additional foster child about whom they knew little. This new girl, a young teenager, suffocated Matthew on her first night in the home. The girl was found to have mental disabilities. Though she was known to have violent tendencies, the new foster parents were not told of the problems.