Should children be tried as adults? Can a mentally ill person premeditate a crime? Can a psychopath be rehabilitated? Can an attempted murderer also be a victim? Where is the line drawn between compassion and retribution? The Slender Man Stabbing: The Untold Story asks the viewer what they believe. A two-hour exploration of this polarizing case, the documentary focuses on details from the day of arrest to the sentencing of Morgan Geyser. Going beyond the headlines to get perspectives from those closest to the plea deal that lead to her sentence, the evidence sited by both sides of this gripping ordeal will challenge what you know about this case… and what you think is just.

He was once a normal, happy child, but violent, drunken abuse from his father sends John Wayne Gacy down a dark and sinister path. Running from home, he takes a job at a mortuary where he first develops a fascination with dead bodies, even sleeping in a coffin with a corpse. Soon after, he’s married with two kids, but urges inside him can’t be contained. Convicted for sodomizing young boys, his normal life ends and the darkness takes over. Gacy begins cruising for young men leading to his first of many murders and the beginning of his crawlspace burial ground. He brings them home, then tortures, and kills them with what he calls “tricks.” Restraining boys and strangling them with rope, he fills the crawlspace under his home with bodies. His wife and many others suspect he’s up to no good, but thanks to his public persona, Pogo the Clown, no one realizes the depths of his evil. Then, one victim, Jeffery Rignall, is raped, tortured, and released by the serial killer. Unable to get help from police, Rignall goes on the hunt, staking out freeways until he finally discovers the monster’s home. Gacy may finally be brought to justice.

One of Gacy’s victims, Jeffery Rignall, has survived and tracked him down. Going to police, Rignall tries to bring Gacy to justice, but his polished public persona, including clown performances for young children, fools everyone. Gacy continues to kill and he’s run out of space under his home. Confident no one can catch him, Gacy begins dumping bodies in the Des Plaines river outside Chicago. Then, his arrogance gets him into serious trouble. Kidnapping a boy outside his place of work, he has no idea the boy’s mother is waiting inside. Detective Joe Kozenczak takes the case and discovers Gacy’s dark past of pedophilia. He finds an array of items linked to young boys, but the boy he’s searching for isn’t there. Kozenczak orders 24-hour surveillance while continuing to dig for details on Gacy. Then, he finds what he’s looking for, a photo receipt found in Gacy’s home was in the missing boy’s jacket when he disappeared. Under constant surveillance, Gacy lets police into his house where they smell the odor of a morgue. A second search of the home reveals the bodies buried underneath. The killer clown is found guilty of 33 counts of murder and sentenced to death.

A suspected robber is pursued; an abandoned truck is found on train tracks; a bicyclist is found with a gun in his pocket.

A drug dealer claims to be running from gunfire and not the police; a man is arrested for trying to steal “wishes”; officers clear out a trailer with 52 cats.

A person suspected of stealing a vehicle is pursued; a panhandler is questioned; a domestic dispute is investigated; officers question an intoxicated woman in a tree.

A bondsman uses a sledgehammer to gain entrance into a house to revoke a bond; a suspicious driver goes the wrong way down a one-way street; a man tries to break into his ex-girlfriend’s apartment.

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A woman is brought in for attacking her boyfriend. A talkative inmate is moved to isolation, and an daring inmate attempts to escape his restraints.

Needles are found on one woman while a stun gun is discovered on another. A DUI test stirs up bad memories for a man driving while intoxicated, and a convicted murderer becomes violent.

A passenger allegedly attacked a cabdriver. A woman describes assaulting her boyfriend with hot food, and a mother is arrested for leaving her kids in a car while gambling.

A woman tries to conceal illegal substances in her bra. Bandmates are charged for tresspassing, and two inmates are separated and placed in restraints after losing control.

An intoxicated inmate escapes his restraints. A young woman denies she abused her mother, and a guard removes an inmate who is causing a disturbance.

A transient man tries to resist the officers in booking then serenades them with a song. A difficult inmate blames his behavior on various medical conditions, and a woman claims to be Jesus Christ.

A woman is brought in for attacking her boyfriend. A talkative inmate is moved to isolation, and an daring inmate attempts to escape his restraints.

Needles are found on one woman while a stun gun is discovered on another. A DUI test stirs up bad memories for a man driving while intoxicated, and a convicted murderer becomes violent.

A passenger allegedly attacked a cabdriver. A woman describes assaulting her boyfriend with hot food, and a mother is arrested for leaving her kids in a car while gambling.

A woman tries to conceal illegal substances in her bra. Bandmates are charged for tresspassing, and two inmates are separated and placed in restraints after losing control.

An intoxicated inmate escapes his restraints. A young woman denies she abused her mother, and a guard removes an inmate who is causing a disturbance.

A transient man tries to resist the officers in booking then serenades them with a song. A difficult inmate blames his behavior on various medical conditions, and a woman claims to be Jesus Christ.