Fresh footage could contradict the long-range sniper theory in the killing of Rebels bikie leader Nick Martin.

The 34-year-old man accused of killing Rebels bikie boss Nick Martin at Kwinana Motorplex in December last year has been ...

The CCTV shows Martin and Dayne Brajkovich shaking hands - and then launching into each other as patrons run for cover.

Nick Martin was shot while attending the Kwinana Motorplex with several other motorcycle gang members on Saturday night.

The Perth bikie who paid a trained sniper to assassinate Rebels boss Nick Martin at a Western Australian Motorplex site has ...