Charles Manson's 'Helter Skelter' motive a myth? New tapes reveal what may have sparked Sharon Tate murders

For decades, the prevailing story of the Manson murders held that Charles Manson masterminded a murderous plot to ignite a race war inspired by the Beatles. But Joe Berlinger argues the infamous story never added up.

The true crime filmmaker directed a three-part Netflix docuseries titled "Conversations with a Killer: The Charles Manson Tapes." It features previously unreleased prison audio from the cult leader and some of his "Manson Family" members.

In 1969, the career criminal who...