Convicted Charles Manson "Family" murderer and star "Helter Skelter" trial prosecution witness Linda Kasabian, 73, died in a Tacoma, Washington, state hospital Jan. 21, TMZ reported Tuesday.
TMZ said it had reviewed a death certificate confirming her death and subsequent cremation from an undisclosed cause.
Kasabian was part of the murderous Charles Manson "Family" responsible for killing seven people at Manson's behest during two nights in August, 1969, including Sharon Tate, the wife of motion picture director Roman Polanski.
Kasabian served as a "lookout" as fellow Manson cult members Charles "Tex" Watson, Patricia Krenwinkle, and Susan Atkins, went to the Polanski and Tate's Benedict, California, home on Aug. 8, 1969, shooting and brutally stabbing five victims to death, including the pregnant Tate, according to the report.
The next night, Aug. 9, Kasabian drove the group to the Los Angeles home of Leno and Rosemary Labianca where they again brutally stabbed the couple to death on the orders of Manson.
During the subsequent trial in 1970-71, Kasabian turned to being the star prosecution witness for Deputy District Attorney Vincent Bugliosi, taking the stand for 18 days recounting the murders and ultimately convicting Manson and all his accomplices, sending them to prison for life.
Manson, 83, died in prison in 2017, the report said.
Bugliosi went on to write a book about the crimes called "Helter Skelter," which said the motive behind the killings was to start a race war, and Manson used lyrics from the songs of the popular rock group the "Beatles" to send a message that would, in his mind, get the war going.
In the "Manson" documentary 13 years ago, Kasabian recounted the crimes, according to a 2009 article in the Guardian.
"I saw a woman in a white dress, and she had blood all over her and she was screaming, and she was calling for her mom. I saw Katie stabbing her," Kasabian, who was 60 at the time said in the article. "I thought about going to a house where there were lights down the road and then I said, 'No, don't do that, because they'll find me and kill all those people.' So, I went down the hill and I got into the car, and I just stayed there and waited."
Bugliosi said in the article that the murders ended the hippie era.
"The Manson murders sounded the death knell for hippies and all they symbolically represented," Bugliosi told the Observer last week. "They closed an era. The 60s, the decade of love, ended on that night, on 9 Aug. 1969."
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