Watch S9, EP9: Derek Brown with Fubo for $0 Today
Two missing mothers were linked when evidence tied Derek Brown to both their violent deaths.
Two missing mothers were linked when evidence tied Derek Brown to both their violent deaths.
How to watch
More episodes
World's Most Evil Killers
S7, EP10 "Zahid Zaman"On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister.
World's Most Evil Killers
S6, EP1 "Lee Ford"Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.
World's Most Evil Killers
S3, EP12 "Robert Berdella - KCB"Serial killer Bob Berdella, aka the Kansas City Butcher, kidnaps, rapes, tortures, and murders at least six men between 1984 and 1987 in Kansas City, Mo., forcing his victims to endure periods of up to six weeks of captivity.
World's Most Evil Killers
S9, EP4 "Graham McGill"Mary McLaughlin's unsolved murder was finally cracked after 36 years, exposing killer Graham McGill.
World's Most Evil Killers
S10, EP20 "Barry Prudom"In 1982, Barry Prudom sparked Britain's largest ever manhunt, murdering police officers and civilians.
World's Most Evil Killers
S10, EP19 "Paul McNaughton"In August 2022, retired teacher Peter Coshan vanished after meeting a man through a dating app in Edinburgh.
World's Most Evil Killers
S10, EP18 "David Baxendale"In May 2010, mother of three Sarah Thomas was stabbed to death in her Surrey home.
World's Most Evil Killers
S10, EP17 "Tariq Rehman"In February 1995, the city of Bradford in West Yorkshire was shaken to the core by the murder of two children.
