MJ to close friend: "Don't leave me, they're trying to kill me." Homicide. The word hangs in the air. Somebody killed him. By accident or on purpose. Somebody killed Michael Jackson. On Monday, the Los Angeles coroner's office reportedly ruled that the 50-year-old "King of Pop" was killed at the hands of another, and a search warrant said that Jackson had "lethal" doses of the powerful anesthetic propofol in his body when he died. His personal physician, Dr.