Verkkobecause homicides of all kinds (not just shootings) have been on the decline since 1996, the team can't statistically say for sure that gun laws were the. Verkkothe port arthur massacre became australia’s catalyst for gun reform. Verkkoshe led the campaign to reform australia’s gun laws after the 1996 port arthur massacre, when a gunman shot dead 35 people at a cafe. Verkkohow the port arthur massacre changed australian gun laws. In 1996, while australians grappled with the horror that unfolded at a popular tourist spot;. Verkkosince gun law reform and the firearms buyback program 20 years ago, australia has seen an accelerating decline in intentional firearm deaths and an absence of fatal. Verkkocanberra, australia (ap) — australia marked the 25th anniversary on wednesday of a lone gunman killing 35 people in tasmania state in a massacre. — a shooting saturday morning at a mall in central florida left two people dead and one other injured, police said. Verkkoaustralia is known for strict gun laws implemented after the port arthur massacre in 1996, but states and territories still have different ways of.