on 28 april 1996, the port arthur historic site was the location of a massacre. the perpetrator murdered 35 people and wounded 23 more before being captured by the special operations group. the killing spree led to a national restriction on high capacity semiautomatic shotguns and rifles. the perpetrator, 28-year-old martin bryant, was subsequently convicted, and is currently serving 35 life sentences plus 1,035 years without parole in the psychiatric wing of risdon prison in hobart, tasmania.