By Katie Mansfield Police say they have identified the Sydney stabbing attacker as 40-year-old Joel Cauchi from Queensland. New South Wales Police Assistant Commissioner Anthony Cooke said the man is believed to have come to New South Wales last month and the police have spoken to his family, who are co-operating with the investigation. He added: “As I had said last night, there is still to this point nothing that we have, no information we have received, no evidence we have recovered, no intelligence that we have gathered that would suggest that this was driven by any particular motivation, i…