The purported 'Manson family' murders of Sharon Tate and Abigail Folger were faked to provide the U.S. military/intelligence rationale for a brutal crackdown on anti-war activists.
Sharon Tate's father is Colonel Paul Tate. Abigail Folger, purportedly murdered alongside Sharon Tate in the same house that night, had similar ties to U.S. military intelligence. Her father is Peter Folger, Major Peter Folger , who was a marines major/army intelligence officer (Associate Chief Information Officer) with the famous Black Sheep marine fighting squadron 214 stationed out of Hawaii in WW2:
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Sharon Tate's father, Colonel Paul Tate, was stationed at The Presidio base and working at the attached Fort Baker (connected via the Golden Gate Bridge). Colonel Michael Aquino was operating a psychological warfare unit out of The Presidio at the same time that Colonel Paul Tate was working there. Michael Aquino knew Susan Atkins via his Temple of Set and her affiliation with the occult psy-op run by Anton LaVey in the mid-1960s. Susan Atkins had been a go-go dancer/stripper in one of LaVey's vampire plays

Susan Atkins with Anton LaVey in 1966 review

Colonel Michael Aquino hooked up with Anton LaVey after returning from his stint in Vietnam in 1968, at the same time that Aquino set up his psychological warfare operations at The Presidio. Susan Atkins was an operative who knew Aquino via Anton LaVey , and helped their San Francisco-based (Presidio/Fort Baker) psychological warfare op fake the murders of Sharon Tate and Abigail folder in the Hollywood Hills of Los Angeles. Abigail Folger and similarly Sharon Tate, were both , like Atkins, highly intelligent operatives who were assigned roles in the Manson drama.