Charles Milles Manson (né Maddox; November 12, 1934 – November 19, 2017) was an American criminal, cult leader, and musician who led the Manson Family, a cult based in California in the late 1960s and early 1970s. Some cult members committed a series of at least nine murders at four locations in July and August 1969. In 1971, Manson was convicted of first-degree murder and conspiracy to commit murder for the deaths of seven people, including the film actress Sharon Tate.
https://en.wikipedia.org/wiki/Charles_Manson