
A whole channel dedicated to the lives and crimes of some of the World's Most Evil Killers like Jeffrey Dahmer, Richard Ramirez, Dorothea Puente and more.

For 13 years, serial killer Jeffrey Dahmer raped, murdered and ate his young male victims; after his arrest, his apartment was searched and human skulls were found in his closet; he was killed by another inmate after serving two years in prison.

An in-depth look at murderer Ed Gein, who confessed to killing two women in the 1950s; Gein was found guilty but legally insane and was remanded to psychiatric institutions.

One of the UK's most infamous serial killers, Joanna Dennehy brutally stabbed three men to death.

His time behind bars only made Italian-American mobster Freddy Geas even more brutal.

James Robertson is one of the most feared men in the US prison system; he murdered his cellmate, attacked a prison employee and doesn't hold back from getting what he wants.

Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.

James "Porky" O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.

A serial killer works as a nurse in Texas, where she kills many children and infants by injecting them with drugs.