TV Guide Investigation Discovery Monday

Ed Kemper appears to be a gentle giant who offers rides to young female hitchhikers, but behind his charming smile lurks a perverted monster.

After killing his grandparents, 15-year-old Ed Kemper is sent to a mental institution, there he uses his high IQ to deceive psychiatrists, but he's released.

Ed Kemper fears arrest and decides that he must finally deal with his mother, bringing the story to a devastating finale, and he reveals his secrets on tape.

A small-town marriage ends in tragedy when a man who uses a wheelchair discovers his loving wife of ten years wants to end their marriage.

The abduction of a young mother from a crowded hospital parking lot is the beginning of a terrifying mystery that will torment her loved ones for decades.

After a teenager mysteriously disappears, police must determine if a secret meeting with a young man led to her murder.

When a teenager is found savagely stabbed to death in her home, police hope a trail of blood found at the crime scene will lead them to her killer.

After a young woman is viciously murdered, police launch a two-part investigation, one to find her killer and a second to identify his victim.

Three women bond over their love of Wicca and witchcraft, but one of them becomes convinced that a more powerful witch has placed a curse on them.

When aspiring Las Vegas showgirl, Debbie Flores, goes missing, investigators must wonder if a jealous dancer or a romantic rival took her out.

Freshman Keri Murphy teams up with fellow songstress Rebecca Keller, their passions collide and the only way to get what they want is for someone to die.

When two seaside teens discover they are dating the same boy, they go to war with each other on social media and in real life, with tragic consequences.

A teen mom is over the hallway dramas & petty jealousies of high school and finds acceptance in a new crowd by moving in with two girls and their boyfriends.

In 2004, when a fanatical group of Insane Clown Posse followers, known as the Juggalettes, invites a new girl into their group, things turn deadly serious.

A family lends a friend a place to stay but kicks her out, but instead of moving away, she buys a house across the street, kicking off a years-long dispute.

A hamlet is home to a resident regarded as a pillar of the community, but he is a twisted criminal bent on ruling the kingdom he has built & all who live in it.

Friendly neighbors on a peaceful street have their lives disrupted when a developer moves in and builds houses nearby and tempers flare over the access road.

When a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds.

A single mother and her daughter move into a suburban community, but their neighbor dislikes them and conflicts endure and tensions rise.

The paranoid delusions of one young man compel him to conspire against the unwitting family next door and escalates into a midnight shooting.

An argument over an old fence separates neighbors and the dispute escalates from repeated screaming matches and threats to physical fighting and vandalism.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors.

In Colorado, a driver opens fire and sparks a high-speed pursuit that ends with a dramatic standoff; in Ohio, a man ignites a fierce gun battle with police.

In the early morning hours at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors.

In Colorado, a driver opens fire and sparks a high-speed pursuit that ends with a dramatic standoff; in Ohio, a man ignites a fierce gun battle with police.

In the early morning hours at a warehouse music venue in Texas, someone shoots a man who later succumbs to his wounds; police find a chaotic crime scene.

An argument over an old fence separates neighbors and the dispute escalates from repeated screaming matches and threats to physical fighting and vandalism.

A young woman calls 911 because her boyfriend is missing and there is a pool of blood in their apartment, and the evidence leads to the couple's roommate.

A longtime nurse confesses to helping end the lives of numerous elderly patients at multiple nursing homes, and behind her persona lies a ruthless psychopath.

Investigators search a farm for a missing man and find human leg bone on the property and the owner admits that her pigs ate her tenant alive.

The "Tourniquet Killer" terrorizes Houston girls, and when advances in DNA finally lead to his arrest, this psychopath eagerly confesses to multiple murders.