Transit Crime Investigation Unit detectives are appealing for public assistance following a sexual assault in Knox last year.
Investigators have been told the victim, a 16-year-old girl, was waiting for the 901 bus at the Knox bus interchange about 2pm on 9 December 2023.
A man approached the girl and sexually assaulted her before boarding the bus.
The offender is perceived to be Caucasian, 30-years-old with a medium build and brown hair worn in a bun.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au