At about 11.30am on Wednesday 9 December 2015, a man boarded a bus at Marmion Street after Stock Road in O’Connor.
The man took a seat at the rear of the bus and during the journey he used a yellow marker pen to graffiti the rear of a bus seat.
At about 11.45am, the man got off the bus on Rockingham Road before Phoenix Road Spearwood.
Police have released a CCTV image of a man who they believe can assist them with their inquiries.
The man is described as:
- Dark skinned
- 18-25 years of age
- 170-180cm tall
- Medium build
Wearing a black t-shirt, black shorts and a black baseball cap with a yellow logo.
If you know the identity of this person or 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.