Homicide Squad detectives are appealing for public assistance to locate Christopher Hillman following the death of a man in Frankston on Saturday.
Hillman is wanted by police after the body of a 34-year-old man was located in a house on Rassay Court about 9.30pm on Saturday, 18 September.
Police had been called to the premises to conduct a welfare check.
The death continues to be treated as suspicious.
Investigators also believe the parties were known to each other.
Detectives from the Homicide Squad and a number of other police units have conducted a significant search over the past few days in an attempt to locate Hillman.
Hillman is described as being approximately 190cm tall with a muscular build and shaved head.
He has a distinctive tattoo across the front of his throat which says 'Chloe'.
Police have released an image of Hillman in the hope someone can provide information regarding his current whereabouts.
He is known to frequent Frankston, Seaford and the surrounding areas. It is believed he utilises various vehicles.
Detectives are calling on Hillman to come forward and make contact with police himself, either by phone or at any police station.
Anyone who sights Hillman is asked not to approach him as he's believed to be armed, and to contact triple zero (000) immediately.
Anyone with information about his whereabouts is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au
