Uploaded August 2024 | Updated September 2026, 2 weeks ago

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The Wonderland Massacre & The Secret History of Hollywood premieres September 8th, 2024- only on MGM+

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Led by crime writer Michael Connelly, this all new docuseries takes us on a wild, snaking journey into the investigation of the massacre at Wonderland Avenue, revealing ties to a porn star, Hollywood elite, and the drug underworld in 1980’s Los Angeles.