Celebrity Philip Seymour Hoffman Died from Mix of Heroin, Cocaine and More Drugs The actor died from acute mixed drug intoxication By Michele Corriston Michele Corriston Michele Corriston is the Director of Platforms Strategy of PEOPLE. She has worked at PEOPLE since 2014. People Editorial Guidelines Published on February 28, 2014 04:15 PM Share Tweet Pin Email Photo: Matt Carr/Getty Philip Seymour Hoffman died from acute mixed drug intoxication, the New York City medical examiner’s office announced Friday. Heroin, cocaine, benzodiazepines and amphetamine were found in his system, said spokeswoman Julie Bolcer. His death was ruled an accident. The first autopsy conducted on his body was ruled inconclusive earlier this month. Hoffman was discovered dead in his apartment Feb. 2 from an apparent overdose. He was 46. He is survived by girlfriend Mimi O’Donnell and their three children. The Oscar-winning actor had struggled with drugs throughout his life, most recently checking into rehab for heroin in May after being sober for more than 20 years. PHOTOS: Philip Seymour Hoffman: His Life in Pictures