O’Neill’s theories in the book showcase a twenty-year obsession with the Manson Family case, showcased in CHAOS: The Manson Murders. In this source material for the Netflix do

Was Charles Manson involved with the CIA's MKUltra program or any vast government conspiracy? Don't look here for answers.

Operation CHAOS was a CIA project that targeted American citizens from 1967 to 1974. Its creation came about during Lyndon B Johnson's presidency and continued under Richard Nixon, with aims to uncover "possible foreign influence on domestic race, anti-war, and other protest movements".

Based in part on the 2019 Tom O’Neill book of the same name, Errol Morris’ new Netflix doc merely scratches the surface on possible connections between the murderous Manson Family and the CIA