Police are seeking information regarding the whereabouts of 20-year-old Carson Woodward, who can assist with a current investigation.
Mr Woodward is described as fair skinned, approximately 170cm tall and short brown hair.
Mr Woodward is known to frequent the Forrestfield, High Wycombe, Maddington, Camillo, Seville Grove, Byford and Cockburn Central areas.
It is believed Mr Woodward may be in possession of a firearm and members of the public are advised not to approach him.
Anyone who sees Mr Woodward is asked to call Police immediately on 131 444.