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 object.