Commissioner Barrett said the AFP was investigating the political views and mental health of Brendan Nugent, the 43-year-old accused of attacking Haines outside her office in north-east Victoria. Nugent has a history of posting online about logging and environmentalism and more recently became fixated on the war in Gaza, authorities said.
Barrett echoed ASIO Director-General Mike Burgess in warning that announcements and language from political leaders had an observable and often immediate effect on the volume and nature of threats. When asked about a satirical One Nation cartoon depicting former Victorian premier Daniel Andrews being run over by a car, she said: 'We do see examples where there are particular announcements or things like you've just described, [where] there is a reaction.'
'My hope is that this really causes people to pause and have a think about what's happening in this country and the impact of that. And if this is not the incident [that causes change], then what is?'
Barrett noted the disproportionate nature of threats against female MPs, saying sexual violence threats were common. She urged large US technology firms to cooperate more closely with authorities to combat radicalism. Politicians will return to Canberra on Monday, with most of the day devoted to tributes for Haines. Labor is preparing a security package to improve safety for parliamentarians.