Charles Croucher: 9News Australia correspondent on the history of Sydney mall attacker

Six people have been killed during a stabbing attack at a Sydney mall. Five of the victims were women, raising questions about the attacker’s motives.   40-year old Queensland man Joel Cauchi has been identified as the attacker. He was shot dead by a police officer.  9News Australia correspondent Charles Croucher tells Mike Hosking the killer was known to police but had no history of charges or intent towards an attack like this.   LISTEN ABOVE See omnystudio.com/listener for privacy information.