Date of Birth: 
Place of Birth: Liancourt, Hauts-de-France, France
About Marcel Barbeault
- Marcel Henri Barbeault (born August 10, 1941, in Liancourt) is a French serial killer who murdered in Nogent-sur-Oise in the 1970s.
- He is responsible for the murder of seven women and one man.
- Because his crimes were always in the evening or early in the morning, he was given the nickname "The Shadow Killer".
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