LATEST: Hawthorne Heights rocker CASEY CALVERT died of "accidental substance abuse", according to autopsy reports. The 25-year-old guitarist was found dead on the group's tour bus outside a Washington, D.C. club last month (24Nov07). In a statement following the tragedy, Calvert's bandmates insisted their friend was "not doing anything illegal". Autopsy reports suggest the "acute combined effects of opiate, citalopram and clonazepam intoxication" caused his death.