Watch S7, EP1: Stephen Unwin & William McFall with Fubo for $0 Today
After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.
After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.
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More episodes
World's Most Evil Killers
S7, EP2 "John Cannan"Experts look back on the crimes of John Cannan as he moved in and out of prison.
World's Most Evil Killers
S7, EP1 "Stephen Unwin & William McFall"After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.
World's Most Evil Killers
S8, EP9 "Billy Mansfield Jr."Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
World's Most Evil Killers
S6, EP20 "Genene Jones"A serial killer works as a nurse in Texas, where she kills many children and infants by injecting them with drugs.
World's Most Evil Killers
S9, EP20 "Charles Cullen"Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
World's Most Evil Killers
S9, EP19 "Joel Rifkin"A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.
World's Most Evil Killers
S9, EP18 "Westley Allan Dodd"Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
S9, EP17 "Emanuel Webb"A decade-old link revealed a serial killer who kept the same M.O. after moving far away.
