Serial killer Charles Manson

April 4: A photo provided by the California Department of Corrections shows 77-year-old serial killer Charles Manson. (AP Photos/California Department of Corrections)

December 1, 1969: Charles Manson, whose cult was convicted of murder and conspiracy to commit murder, is seen here in police custody. (AP)

August 6, 1970: Charles Manson, whose cult was convicted of murder and conspiracy to commit murder, is seen here in police custody. (AP)

Charles Manson seen during a 1986 court hearing. (AP)

Charles Manson in photo released March 18, 2009 (left), and in a 1970 file photo (right) (AP)

August 1989: Charles Manson talks during an interview. (Reuters)

August 1989: Charles Manson clowns around as he is led to his cell upon the conclusion of his exclusive interview with Reuters. (Reuters)

September 2009: Convicted murderer and former Charles Manson family member, Susan Atkins, lies on a moveable bed during her parole hearing at the Central California Women's Facility in Chowchilla, California. Atkins, one of the leading members of Charles Manson's notorious violent cult who carried out murders at his behest in 1969, died in a California prison. (Reuters)

August 6, 1969: Leslie Van Houten, Susan Atkins and Patricia Krenwinkel, co-defendants in Tate-LaBianca murder trials. (AP)

March 19, 1971: Leslie Van Houten and Patricia Krenwinkel, co-defendants in Tate-LaBianca murder trials. (AP)