The results of the Scientology test showed he " had hit rock bottom " ; the person administering the test did not advise Vitkovic to see a psychiatrist but to enrol in a Scientology course . Forensic psychologist Dr Alan Bartholomew told the coroner 's court that Vitkovic would have been eligible at the time to be certified insane under the Mental Health Act . After studying Vitkovic 's diaries , Bartholomew concluded he was a paranoid schizophrenic and that there was no doubt the personality test worsened his depression and might have contributed to the decline in his mental state . Batholomew agreed that Vitkovic was criminally insane at the time of the shooting and said Vitkovic could have identified with Rambo and the Hoddle Street killings
Hoddle Street killings
Hoddle Street massacre
Queen Street massacre