1 / of 3 Queensland police divers search for firearm in Parramatta River allegedly used in fatal cold case shooting of Omega Ruston ThuThursday 4 MarMarch 2021 at 2:30am The cold case investigation into the shooting murder of Gold Coast man Omega Ruston has taken Queensland police to New South Wales. ( Print text only Cancel Queensland police investigating the murder of Gold Coast man Omega Ruston 12 years ago have travelled to Sydney to search for a firearm in the Parramatta River. Key points: Police say the firearm used to kill Omega Ruston matches that used in a 2008 drive-by tattoo parlour shooting Organised crime and outlaw motorcycle gangs are believed to be linked to his death