Australia is well overdue for a national conversation on combatting violent right-wing extremism and preventing radicalisation, experts say, as the country reels from the shootout in Queensland on Monday which left six people dead.
Online posts under the name of one of the killers, Gareth Train, have been unearthed from conspiracy theory forums since the shootings, and include references to anti-vaccine sentiments and claims that other high-profile shootings were hoaxes or false-flag operations.
