Mandurah detectives are seeking information from the community to help locate Thomas Butler.
Detectives believe Thomas is able to assist with several ongoing investigations, including an assault incident and a stolen motor vehicle incident.
He is described as fair skinned, medium build, approximately 173cm tall with brown hair.
If sighted, members of the community are asked not to approach Thomas, but call police immediately on 131 444.
Anyone with information regarding the whereabouts of Thomas can report it to Crime Stoppers via 1800 333 000.
Perth to Bunbury train service returns
Missing woman found safe and well
Community fed up with teenage hoons terrorising Halls Head oval
Southern suburbs electrician claims $1.8 million Lotto win
Works continue on Pinjarra's Munday Avenue extension
Halls Head support worker charged with historic child sex offences
Severe thunderstorm warning cancelled for Mandurah, Bunbury
Fortnightly red bin collections to remain in the City of Rockingham after council rejects motion
Rate rises on the way for Rockingham, Mandurah ratepayers