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.  

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