World's Most Evil Killers

Stephen Port drugged and raped four men before murdering them and dumping their bodies.

Mark Bridger was arrested for the abduction and murder of 5-year-old April Jones in 2012.

In 2012, fame hungry Mick Philpott killed six of his own children by setting fire to the family home as they slept upstairs.

Raoul Moat triggers the biggest manhunt in modern British history after shooting three people.

For one week in 2016, Stefano Brizzi stored the body of policeman Gordon Semple at his flat in central London. Taking inspiration from TV show, Breaking Bad, he tried to dissolve the body in his bath tub.

Roy Whiting kidnaps and murders 8-year-old Sarah Payne in 2000.

On December 1st, 1996, Tracie Andrews had stabbed her own fiancé Lee Harvey to death and was trying to get away with murder.

A look at Jack Unterweger, an Austrian serial killer who committed murder in several countries.

Rodney Alcala appeared on "The Dating Game" and it led to his arrest. In 2011 he was found guilty of murdering six women and a 12 year old girl.

In August 1985 the 14-month killing spree of Richard Ramirez, AKA the Night Stalker, was ended after he claimed at least 13 lives.

Serial killing partners Leonard Lake and Charles Ng murdered11 people in California in the 1980s. They had a secret bunker where they raped and killed their prey.

The Sunderland Strangler, Steven Grieveson killed 4 teenage boys in the early 90s; he is one of Britain's Most Evil Killers.

Railway Killers, John Duffy and David Mulcahy killed 3 women and raped many more across a 4 year period in the early 1980s.

In 1999 handyman at a lodge in California Cary Staynor raped and murdered four young women. Obsessed with Big Foot, he became the monster in the woods.

From October 1989 to April 1991, Wolfgang Schmidt murders five women and an infant.

An in-depth look at some of the world's most dangerous murderers.

Edmund Kemper killed ten people: his grandparents, six co-eds, his Mother and her friend, until he was caught in California in 1973 and confessed it all.

In 1988 Puente had drugged and killed her victims, so she could continue to fraudulently claim their social security benefits.

Danilo Restivo murdered two women 9 years apart. 16 year-old Elisa Clapps in Italy and Heather Barnett in Bournemouth, who he mutilated. In her hands, cut hair.

In around Gdansk Poland from 1975 to 1983 Pawell Tuchlin attacked 20 women with a hammer. He brutally killed nine and sexually assaulted them all.