A knife-wielding man at a Sydney shopping center appears to have targeted women.
Joel Cauchi, 40, terrorized the crowded Westfield Bondi Junction campus on Saturday.
Five of the six deaths were women. Several people, including a child, were injured.
The New South Wales police commissioner told Australia's ABC News that Mr Gauchi's focus on women was “obvious”.
A security guard, Faraz Tahir (30), who tried to intervene in the attack, was killed.
“The videos speak for themselves, don't they?” Commissioner Karen Webb told ABC News Breakfast.
“It's clear to me, it's clear to the detectives who seem to be the area of interest that the perpetrators are focusing on women and avoiding men.
“We don't know what went through the criminal's mind, which is why it's important now that detectives spend more time interviewing people who knew him, those around him, those who were close to him.
“So we can get some insight into what he might have been thinking.”
Officials have previously said that Cauchy, who was shot by a lone police officer on Saturday, was most likely a “psychologically-related” attack.
He was already known to police but had not been arrested or charged in his home state of Queensland. Queensland police said he had lived as a wanderer for years and was diagnosed with mental illness at the age of 17.
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