When journalist Tom O’Neill set out to write a simple story on the anniversary of the Manson Family murders in 1999, he was pulled into an investigation that lasted 20 years. In the first part of this two part episode, we explore O’Neill’s findings about Charles Manson's relationship to the CIA, drug studies at a CIA funded medical facility that the cult leader frequented, and the alleged role CIA assets might have played the night of the Manson Family murders.

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