Police are investigating following the two thefts of alcohol from a Lalor bottle shop on the weekend.
Investigators have been told a man entered the May Road liquor store about 11.40am on 23 February and again about 11.50 the next day.
On both occasions that man took a bottle of Jack Daniels and made no attempt to pay.
Police have released CCTV images of a man who they believe may be able to assist with their enquiries.
He is perceived to be Caucasian in appearance, aged in his mid-20s, with a medium build and a dark beard.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au