Narrogin detectives are searching for an 18-year-old man who they believe can help with an investigation and are advising members of the public not to approach him. Mr Winmar was last seen wearing a black Hoodrich t-shirt with a white motif on the front and back, black pants and shoes. He is described as slim build with a moustache, short black hair with a rat-tail, and neck and forearm tattoos. Members of the public who sight Mr Winmar are advised not to approach him, but to report the sighting to police. Anyone with any information on Mr Winmar’s whereabouts or movements is urged to contact Crime Stoppers on 1800 333 000 or www.crimestopperswa.com.au. Anyone providing information to police can remain anonymous.