In the US controversy erupted last year after the FBI made efforts to investigate a supposed link between traditionalist Catholics and the far-right, white nationalist movement. Mr Burgess said monitoring all elements of extremism was needed, recalling that three weeks after ASIO lowered its threat level last year, “we had a terrorist incident” that the agency assessed to be “Christian violent extremists”. He said the Hamas murderous attacks on Israel on October 7 had triggered greater concerns among extremist groups. “Since the mass terrorist attacks, we’ve seen people from the neo-Nazi cohort and the Sunni violent extremism cohort consuming the...