Gavin Preston was executed by masked killerPreston had been offending since childhood Bashed man with a stick for looking at him Assaulted shopkeeper who dared to engage Launched terrifying jailhouse assault   Read: How George Marrogi and Gavin Preston are linked
See Details: The senseless crimes of Melbourne gangster Gavin 'Capable' Preston before Keilor cafe execution - as the price on his head is revealed