What is the name of the conspiracy theorist from Perth, Australia who claims that the Port Arthur massacre was staged?
Joe Vialls
Title: Port Arthur massacre (Australia)
Passage: The Port Arthur massacre of 28–29 April 1996 was a massacre in which 35 people were killed and 23 wounded.  It occurred mainly at the historic Port Arthur former prison colony, a popular tourist site in south-eastern Tasmania, Australia.  It was the deadliest mass shooting in Australian history, and amongst the most notable in history.
Title: Port Arthur massacre (China)
Passage: The Port Arthur massacre occurred during the First Sino-Japanese War from 21 November 1894 for two or three days, when advanced elements of the First Division of the Japanese Second Army under command of General Yamaji Motoharu (1841–1897) killed somewhere between 1,000 and 20,000 Chinese servicemen and civilians in the Chinese coastal city of Port Arthur (now Lüshunkou).  Contemporaneous reports, including some Japanese accounts, claim that as many as 60,000 were killed, although some contemporary accounts of the war estimated Port Arthur's total population at 13,000 (6,000 excluding garrison troops).
Title: Joe Vialls
Passage: Joe Vialls (    1944 – 17 July 2005) was a conspiracy theorist and internet journalist based in Perth, Western Australia.  His claims that major incidents such as the Port Arthur massacre, terror attacks in Bali and Jakarta and the 2004 Asian tsunami were the work of Israeli and American secret agents gained a measure of notoriety in Australia, America and Indonesia.
Port Arthur massacre (Australia) Joe Vialls