
World's Most Evil Killers
41-year-old Andrzej Kunowski was a prolific paedophile who entered the UK illegally in 1996.

41-year-old Andrzej Kunowski was a prolific paedophile who entered the UK illegally in 1996.

Linda Riley was reported missing when no one could reach her, and signs of a struggle were found in her home.

Lee Rodarte Jr. murdered his colleague and ex-lover Savannah Gold.

Vivica examines the case of double-murderer Cheyanne Jessie.

Vivica guides us through the case of a bipolar Sunday school teacher, Melissa Huckaby.

41-year-old Andrzej Kunowski was a prolific paedophile who entered the UK illegally in 1996.

Anthony Arkwright slaughtered his grandparents before murdering and mutilating two neighbours in a rampage over a four-day period in 1988.

Todd Kohlhepp was a serial killer who murdered seven people over a thirteen year period.

Daniel Siebert was an American serial killer who confessed to killing ten people in the 80s. At the height of his killing spree, he murdered five people, including two children and his girlfriend.

Truro, Cape Cod, is a place where people go to escape the grind of city life. Few could imagine anything horrible happening in such an idyllic place. However, in January 2002, the lifeless body of well connected fashion journalist, Christa Worthington, is discovered in the hallway of her home.

In 2001 a British couple, Joanne Lees and Peter Falconio, head off into the wilderness of the Australian outback in their orange VW Kombi on the final leg of their exciting round the world trip. They are travelling in the dark when a man in a white 4x4 utility truck flags them down.

In 1999, Rae Carruth is a professional football player for the NFL team, the Carolina Panthers. He was a talented rising star but for the past two seasons he had been plagued with injuries. Then, one of his girlfriends, 24-year old Cherica Adams tells him that she is pregnant with his child.

February 1977, a beautiful 24 year old Australian heiress, Janie Shepherd, goes missing from a smart area of central London. At first police think she may have been kidnapped as her stepfather is a wealthy businessman. A massive police hunt for Janie draws a blank.

Nathaniel Bar-Jonah was a known paedophile from Massachusetts. His speciality is dressing up as a policeman and enticing young boys to follow him home. In the early 90's, he relocates to Great Falls, Montana. In 1996 a ten year old boy, Zachary Ramsay, disappears on his way to school.

In September 1987, elderly, reclusive, near blind, eccentric, Simon Dale, is found bludgeoned to death in his home Heath House, Shropshire, England. His ex-wife, Susan Wilberforce, quickly becomes the prime suspect in his murder.

In 1981, Dominick "Sonny Black" Napolitano, a powerful captain in the Bonanno crime family, was murdered for having allowed an undercover FBI agent to infiltrate the Mafia. He had unwittingly recruited Special Agent Joe Pistone into his crew.

Carmine Galante wielded massive power despite spending most of his career behind bars because Galante made heroin his main money spinner. However, things never quite worked out as Galante had hoped. He ended up murdered in one of the most spectacular and iconic Mafia hits ever.

As Sherlock waits to see where Moriarty will make his move, a mysterious case baffles Scotland Yard. Why is someone destroying images of the late Prime Minister Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?

A case of stolen letters leads Sherlock Holmes into a long conflict with Charles Augustus Magnussen, the Napoleon of blackmail, and the one man he truly hates. But how do you tackle a foe who knows the personal weakness of every person of importance in the Western world?

This episode follows the exhaustive investigation into the murder of Tangie Simms and how genetic genealogy helped solve the crime.