World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
Robert Hansen was a monster who preyed on vulnerable women.
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A 13-year-old girl is found stabbed over a hundred times; a teenager comes under suspicion.
Digital forensics reveals the killer in one case; CCTV and blood evidence expose the truth.
A financially strapped Deborah Pierenger is jailed for the murder of her parents.
Susan D'Aquila is sentenced to 60 years in prison for the murder of her husband.
Three women reveal how the things they did for love landed them in prison.
The Myrtles Plantation is shrouded in a controversial dark history.
Nick ventures into the Brushy Mountain Penitentiary in Tennessee and the Madison Seminary in Ohio.
Nick spends forty-eight hours inside a haunted clinic using new equipment.
Nick visits The Octagon Hall, a property built by the secret society known as the Freemasons.
Nick investigates the 6th Precinct in Detroit and the House of Wills in Cleveland.
Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
Responsible for five murders, Joshua Wade avoided justice for years and later confessed.
Malcolm Green is jailed for life for the brutal murder of a Cardiff prostitute.
Anthony Russell, a triple murderer, sparked a frantic 2020 manhunt as police raced to stop him.
Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
Sarah Williams and Katrina Walsh carry out the jealousy-fuelled murder of Sadie Hartley.
Dublin man Eric Locke refused to accept it when Sonia Blount ended their relationship.
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