Sydney knifeman, 40, had mental health issues since his teens, say family

The Sydney knife attacker who killed six people at a shopping centre had suffered mental health issues since he was a teenager, his family said.

Joel Cauchi, 40, from Queensland, had been known to police, particularly over the last five years, but had not been arrested or charged before he committed the attack on Saturday.

Four women and a male shopping centre security guard in his 30s were killed.

In a statement released through , the Cauchi family said: “We are absolutely devastated by the traumatic events that occurred in Sydney