Bracelets remembering Matthew Tonkin, left, and his friend and fellow soldier, Robert Poate, sit on a table at the Tonkin home in Perth, Australia, Sunday, July 21, 2019. Matthew was suffering from post-traumatic stress disorder, a result of the horrors he experienced in Afghanistan, including the death of his best friend, Poate. He was also suffering from a growing addiction to opioids. Picture: AP Photo/David Goldman.