Transit Crime Investigation Unit detectives are still investigating the circumstances surrounding a stalking incident that occurred on the Belgrave train line on the 3 December 2024.
Investigators have released images of a male they believe may be able to assist with their enquires.
An initial call for public assistance was released on 19 December, with police reissuing the call out on Thursday 2 January.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au