Parents of Sydney mall killer Joel Cauchi say he was off his schizophrenia medication: ‘He let himself down’ New York Post Sydney mall attack: Confronting pro-Kremlin troll on false claims Jewish student was killer BBC.comPolice scrutinising Bondi Junction killer’s visits to two other Westfields Sydney Morning HeraldAustralian killer’s father reveals why son targeted women during deadly stabbing at Sydney mall Fox News