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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.
World's Most Evil Killers
S9, EP3 "Robert Howard"Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
S9, EP2 "Gavin McGuire"Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
World's Most Evil Killers
S8, EP3 "John Eric Armstrong"In 1999 and 2000, John Eric Armstrong cruised the streets of Detroit, Mich., looking for sex workers; seen as an ordinary husband, father and co-worker, no one in Armstrong's life suspected that he was a serial killer.
World's Most Evil Prisoners
S3, EP5 "Gardner"Joshua Gardner commits his first murder at 24; even behind bars, he can't contain his rage.
World's Most Evil Prisoners
S1, EP2 "O'Rourke"James "Porky" O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.
World's Most Evil Prisoners
S3, EP7 "Romo"Feared L.A. crime boss Ezequiel Romo ruthlessly runs the streets of L.A., even from behind bars.
World's Most Evil Prisoners
S2, EP1 "Bjork"Craig Bjork, who killed two women and both of his children, remains a dangerous threat -even behind bars.
World's Most Evil Prisoners
S2, EP4 "Con-ui"Jesse Con-ui's loyalty to the New Mexican Mafia drove him to betray and murder his former mentor.
