I do not know this person or his group. But I do know that the reporting on the incident was an egregious breach on democratic principles. The fact that there was no description of the shooter given at all in the report I posted earlier today but lots of vilification of the victim is unacceptable in a democracy that makes claims to freedom of speech as well as due process in law.
I will look into this today. For the moment, this video from a muslim group directed at this man may offer some insight into who shot him: (H/T Oz-Rita)
And this article by Andrew Bolt, one of the most important voices in Australia, and who has been silenced by the courts for saying something demonstrably true, but not in accord with the Cultural-Marxist approach to how minorities are to be described.