World's Most Evil Killers

The chilling story of Lee Ford, who killed his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.

The story of the 23-year-old killer who murdered 17-year-old former head girl Georgia Williams in 2013.

A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder.

Stuart Campbell was convicted of the murder of his 15-year-old niece in 2002, even though her body has never been found.

Sarah Williams and Katrina Walsh: the story of two friends who carried out the evil, jealousy-fuelled murder of Sadie Hartley.

Pawel Relowicz rapes and kills 21-year-old Hull student Libby Squire.

The story of a killer who took four lives during a chilling two-day killing spree in 2004.

Geoffrey Evans and his accomplice John Shaw hit headlines after the murders of two women in Ireland.

The story of Mark Martin, who murdered three women to become Nottingham's first serial killer.

The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute, only to kill again when he was released after 18 years.

The story of the Beltway sniper attacks. John Allen and his teenage accomplice carried out the brutal series of shootings that killed ten.

The story of one of the most prolific serial killers in Canadian history, dubbed 'The Pig Farmer Killer' by the media.

The story of the serial killer who brutally snatched away the lives of eight innocent women during a decade-long killing spree in Louisiana.

The story of a killer so evil that not even her own son could escape her clutches. She became the first woman to be executed in Florida since 1848.

A terrifying killer murders four victims before being caught while trying to claim his fifth.

The I-95 killer, who brutally killed six men in 1994, is executed three years later.

The story of the Baton Rouge Serial Killer, known for murdering seven women in the area and sentenced to death for his chilling crimes.

The first woman executed by lethal injection after taking six lives.

A cold-blooded serial killer takes the lives of eleven people during a decade-long murder campaign.

A serial killer works as a nurse in Texas and kills infants by injecting them with drugs.