Warwick Police are seeking assistance with damage and stealing incident that occurred along Ellersdale Avenue, Warwick on Wednesday 5 December 2018.
Between 8am and 4pm, a man has used an unknown object to smash the front passenger window of a parked Toyota Camry.
The man has rummaged through the vehicle and stolen a backpack before leaving the area on a bicycle.
The backpack was later recovered nearby by the victim.
Police have released a CCTV image of a man who they believe may be able to assist them with their investigation.
The man is described as dark skinned with a large build and aged between 20 and 30 years of age. He was last seen wearing a dark hooded jumper, blue pants and orange shoes.
If you have any information about this offence make a report online at crimestopperswa.com.au or call Crime Stoppers on 1800 333 000, where all calls are strictly confidential, and rewards are offered. Please quote Reference Number.