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Watch S5, EP13: Kenneth Regan & William Horncy with Fubo for $0 Today

MA 15+World's Most Evil Killers45mFilmRise

In 2003, Kenneth Regan and William Horncy murdered a millionaire and his young family.

In 2003, Kenneth Regan and William Horncy murdered a millionaire and his young family.

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Available on demand

More episodes

World's Most Evil Killers

S7, EP7 "David Bieber"

A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search.

World's Most Evil Killers

S7, EP1 "Stephen Unwin & William McFall"

After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.

World's Most Evil Killers

S7, EP9 "Ian Stewart"

Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier.

World's Most Evil Killers

S8, EP9 "Billy Mansfield Jr."

Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.

World's Most Evil Killers

S9, EP13 "Michael Ross"

Michael Bruce Ross, driven by sadistic urges, killed multiple young women in Connecticut.

World's Most Evil Killers

S9, EP12 "William Devin Howell"

Gardener William Howell used his van as a "murder mobile," killing women and dumping bodies.

World's Most Evil Killers

S9, EP6 "Hassan Al Shatanawi"

Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.

An in-depth look at some of the world's most dangerous murderers.
Starring: Andy Dixon, Andy Gatenby, Christopher Kouros, Elizabeth Yardley, Emily Pennink, Gareth Lawrence, Geoffrey Osborne, Geoffrey Wansell, Harold Schechter, Helen Morrison, Roberto Vivancos, Ross Huguet, Shabnam Chaudhri, Stuart Hamilton, Tom Bonington
Original Air Date: Aug 10, 2017
Genres: DocuseriesTV Series
Rating: MA 15+
Playback: HD
9 seasons available on demand
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