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  • Charles Manson was born on Nov. 11, 1934. His mother, Kathleen, was just 15 years old when she gave birth to him. When Manson was 4, his mother and uncle went to prison for a botched attempt at armed robbery. Shown here is a photo of Charles Manson as a child. Watch the two-hour ABC News special, “The Family Manson,” on “20/20,” Friday, March 17 at 9 p.m. ET.
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  • Charles Manson spent much of his teens and early 20s in and out of reform schools and prison. When he was released from prison in March 1967, he headed to San Francisco. By the end of the "Summer of Love" of 1967, hundreds of thousands of people had flocked to California. Shown here, several hundred "hippies" gathered at "Hippie Hill" in Golden Gate Park,in San Francisco, March 10, 1968.
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  • As Manson gathered followers, they took over the Spahn Movie Ranch, a tourist attraction outside of Los Angeles where many Western TV shows had been filmed. Shown here is a photograph of the ranch in late 1969, where convicted murderer Charles Manson and his followers lived for about a year, San Fernando Valley, California.
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  • Police mugshot of Charles Manson, 1969. At Manson's command, a small group of his most ardent followers brutally murdered seven people from August 8-10, 1969. The murders at Sharon Tate's Benedict Canyon home were committed by Manson followers Tex Watson, Susan Atkins and Patricia Krenwinkel. Linda Kasabian served as a lookout. The following night, supermarket executive Leno LaBianca and his wife, Rosemary, were brutally murdered by Watson, Atkins, Krenwinkel and another Manson follower, Leslie Van Houten. All were arrested for the murders months later.
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  • Actress and model Sharon Tate, pictured here in 1968, was the wife of film director Roman Polanski. Tate, who was best known for her role in the movie, "Valley of the Dolls," was one of the victims Charles Manson's followers murdered in August 1969.
    Terry O'Neill/Hulton Archive/Getty Images
  • Sharon Tate was eight and a half months pregnant when she and four other people were murdered by Charles Manson's followers inside the rented home she shared with her husband, director Roman Polanski. Shown here is Tate's body being taken from the Benedict Canyon, Calif., home.
    AP Photo
  • Charles Manson's five victims slain the night of Aug. 9, 1969 at the Benedict Canyon Estate of Roman Polanski. From left, writer Wojciech Frykowski, actress and model Sharon Tate, teenager Steven Parent, friend Jay Sebring, and Abigail Folger, heiress to the Folgers coffee fortune. The next night, it happened again. Rosemary and Leno LaBianca, a wealthy couple who lived across town, were stabbed to death in their home.
    AP Photo
  • Charles Manson sits in the courtroom during his murder trial in 1970 in Los Angeles.
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  • Charles Manson followers, from left: Susan Atkins, Patricia Krenwinkel and Leslie Van Houten, walk to court to appear for their roles in the 1969 killings of seven people, Aug. 20, 1970, in Los Angeles, California.
    George Brich/AP Photo
  • Linda Kasabian, center, is shown at press conference she held at end of her 18 days on stand as a prosecution witness in the Sharon Tate murder trial, Aug. 19, 1970, Los Angeles, California. Kasabian, who had served as a lookout, was given immunity in exchange for her testimony against Manson and the others.
    David F. Smith/AP Photo
  • In Jan. 1971, after a seven-month trial, the jury found all the defendants guilty of murder. Manson is shown here being led back into the courtroom to hear the sentencing he and his three female followers were to receive for the murders, March 29, 1971. Manson, Krenwinkel, Atkins and Van Houten were all sentenced to death, but the death sentences were commuted to life sentences when a California Supreme Court ruling abolished capital punishment in 1972.
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  • Charles "Tex" Watson, center, is led back to jail from a courtroom after he was convicted of seven counts of first degree murder and one of conspiracy to commit murder in the Tate-LaBianca slayings, Oct. 12, 1971, Los Angeles, California. Watson, a former member of the Charles Manson Family, was the last of five defendants to be convicted in the slayings.
    George Brich/AP Photo
  • Charles Manson reads a statement at his parole hearing in San Quentin. He was turned down for parole for the 6th time, Feb. 4, 1986.
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  • Susan Atkins, former member of the Charles Manson clan, who was convicted of murder in the Tate-LaBianca killings, listens during parole hearing at the California Institution for Women in Chino, California, Dec. 20, 1989. Atkins died in prison on Sept. 24, 2009.
    Alan Greth/AP Photo
  • ABC's Diane Sawyer spoke with Charles Manson during an interview in 1994.
    ABC News
  • Charles "Tex" Watson is seen in this police handout, Dec. 2, 2014. California officials have denied parole for Watson.
    California Department of Corrections and Rehabilitation/AP Photo
  • Leslie Van Houten is seen during a hearing before the California Board of Parole Hearings at the California Institution for Women in Chino, California, April 14, 2016.
    Nick Ut/AP Photo
  • Charles Manson, 74, posed for a photo, March 18, 2009, at Corcoran State Prison, California. The picture was taken as a regular update of the prison's files.
    California Department of Corrections and Rehabilitation via Getty Images