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A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother.
A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother.
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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
S8, EP7 "Richard Biegenwald"Over a 25-year career of murder, Richard Biegenwald kills at least six people.
World's Most Evil Killers
S7, EP18 "Robert Hansen"The Alaska serial killer Robert Hansen who murdered at least seventeen women during a spree that lasted for more than a decade.
World's Most Evil Killers
S8, EP4 "Jerald Wingeart"In January 1973, 20-year-old mother of one Dawn Magyar vanishes while on a shopping trip in Owosso, Michigan.
World's Most Evil Killers
S9, EP17 "Emanuel Webb"A decade-old link revealed a serial killer who kept the same M.O. after moving far away.
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, EP3 "Robert Howard"Robert Howard manipulated and preyed on vulnerable women across countries.