On February 2, 2014, actor Philip Seymour Hoffman was found dead. In his left arm was a single syringe. In his New York apartment, forensics found the powerful and addictive narcotic heroin. On the face of it, this would appear to be an open and shut case - but an examination of Hoffman's chemical makeup will reveal what really happened in his final hours.On February 2, 2014, actor Philip Seymour Hoffman was found dead. In his left arm was a single syringe. In his New York apartment, forensics found the powerful and addictive narcotic heroin. On the face of it, this would appear to be an open and shut case - but an examination of Hoffman's chemical makeup will reveal what really happened in his final hours.