World's Most Evil Killers

In 1991, Gregory Green stabbed his first wife to death, killing not only her but also their unborn child.

In 1991, the bodies of sex workers started being discovered in Detroit, Michigan.

After two couples were brutally murdered three years apart, both cases went cold for almost three decades.

In September 2007, 50-year-old Vietnamese immigrant Cuc Tran was raped and murdered while out on a run.

In 1992, Leslie Allen Williams was arrested after a witness saw him assaulting and abducting a woman.

On Mother's Day in 2008, Edward Covington unleashed a horrifying attack on his girlfriend and her children.

Convicted sex offender James Randall was responsible for the murders of two women in Florida in the mid-1990s.

When 9-year-old Felecia Williams was reported to have run away, the police were immediately suspicious.

In 1995, mother and daughter Marcia and Elizabeth Honsch went missing.

In 2012, Diane Staudte murdered her husband and son in addition to attempting to kill one of her daughters.

In January 2009, Lakhvir Singh poisoned her former lover, Lakhvinder Cheema and his fiancee Gurjeet.

In 2011, hotel receptionist Attila Ban turned from co-worker to killer when he was alone with his colleagues.

In July 1979, 22-year-old Sally Ann McGrath vanished in Peterborough. Her body was found months later.

In 1985, George Naylor strangled Deborah Kershaw, just weeks after being freed from prison for rape.

In April 2003, Phillip Hegarty bludgeoned his friend Derek Bennett to death, motivated by greed and money.

In 1982, Wilbert Dyce murdered Norma Richards and her two young daughters in a horrific attack.

In February 1995, the city of Bradford in West Yorkshire was shaken to the core by the murder of two children.

In May 2010, mother of three Sarah Thomas was stabbed to death in her Surrey home.

In August 2022, retired teacher Peter Coshan vanished after meeting a man through a dating app in Edinburgh.

In 1982, Barry Prudom sparked Britain's largest ever manhunt, murdering police officers and civilians.