On June 19th 2013 James Gandolfini died of a heart attack in Rome. He was just 51 years old. A famously intense character actor, he was credited with changing the very nature of television acting. First appearing in films such as True Romance and Get Shorty, it was the HBO series The Sopranos that made him a household name. But his dedication to his craft took a deep toll on the actor, and rumors of addiction and excess followed him throughout his career. Now expert pathologist Dr Michael Hunter is re-examining his medical history in order to discover what led him to die of a heart attack at only 51.