Conspiracy nuts raised an eyebrow or two when it was revealed that Jack's death occurred shortly before he was due to demonstrate how heart implants could be hacked at the Black Hat security conference in Las Vegas. He did not have a mark on him and showed no signs of trauma. However now a coroner’s report has shown that Jack had a mix of heroin, cocaine and prescription drugs in his system. And he died of "acute mixed drug intoxication."
Jack rose to fame after a 2010 demonstration, in which he hacked a cash machine, making it give out money. Jack's girlfriend had found him lying in bed unresponsive, with "multiple bottles of beer and champagne” in the rubbish bin, so it must have been a hell of a night.