Dayne Brajkovich, 44, was stabbed in the neck about 9.50pm last Friday at the Ministry of Sound Classical EDM concert at Perth s Kings Park and Botanical Garden.
Police in Western Australian have ramped up their efforts to bring the people who slashed a notorious ex-Hells Angels bikie across the neck to justice.
Bikie gangs in Western Australia were sent an ominous open letter from police warning of a major crackdown on underworld activity, hours before an ex-Hells Angels member had his throat slashed.