In August 2021, police searching in the Adelaide home of former defence employee Artem Vasilyev found a 3D printer. But they also found a document explaining how to manufacture firearms, an AR-15-style semi-automatic firearm produced by a 3D printer, and a plastic tub of parts. The court was told he had frequented white supremacist chat rooms, where he shared gun-building and bomb-making instructions. In sentencing remarks, the judge referred to a forensic psychologist’s report saying he "was in the process of becoming radicalised" and had material on his devices "espousing extremist right-wing ideologies". Vasilyev was found not guilty of terrorism...