Police have released new CCTV images and are re-appealing for information from the community to locate a wanted man known to visit Macarthur.
Raymond Cornwall, 64, is wanted over alleged sexual acts committed on a train earlier this month.
He is known to frequent Campbelltown and Eagle Vale areas.
Police have conducted numerous inquiries and have confirmed through CCTV that Mr Cornwall travelled to Lalor Park about 7am on Saturday, October 5, before he was seen leaving Central Railway Station on Eddy Avenue, Sydney CBD, about 9.30am the same day.
He is described as being of Caucasian appearance, with a fair complexion and grey hair.
Newly released CCTV depicts Mr Cornwall wearing a black Everlast hooded jumper, dark long pants, white running shoes, and carrying a dark backpack and sleeping bag.
Police are continuing to appeal for anyone who may have seen Mr Cornwall to come forward.
If sighted, members of the community are urged not to approach him, but to contact Triple Zero (000) immediately.
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or nsw.crimestoppers.com.au.