A judge has accepted the evidence of a sniper assassin hired to gun down a bikie boss, convicting the victim's former friend and mastermind behind the murder.

A larger-than-life Tasmanian bikie boss known for his colourful personality as much as his chequered criminal history has died.

Bikie David Pye is convicted of murder after he paid a trained sniper to assassinate his former friend and ex-Rebels boss Nick Martin in front of horrified onlookers at a drag racing event.

A loyal lieutenant of John Setka has bragged about his bikie links after being named in a report that separately claimed that outlaw motorcycle groups were taking control of building sites.

In the world of outlaw motorcycle gangs, the ‘code of silence’ is supposed to be the bedrock of survival. But in the Supreme Court of Western Australia, that code didn’t just crack - it shattered.

Instead, the 29-year-old's path to the glamorous life was forged via a massive meth and MDMA pill trafficking business which could land him in jail for up to 25 years. Cosca, the ring-leader of ...