Charles Milles Manson is an American criminal who led what became known as the Manson Family, a quasi-commune that arose in California in the late 1960s.:163-4, 313 He was found guilty of conspiracy to commit the Tate/LaBianca murders carried out by members of the group at his instruction. He was convicted of the murders through the joint-responsibility rule, which makes each member of a conspiracy guilty of crimes his fellow conspirators commit in furtherance of the conspiracy's objective.

RELATED CELEBRITIES