Police released CCTV stills in their hunt for the trio who robbed a Doveton bottle shop.
Endeavour Hills Police Station officers are investigating the Monday 8 January theft.
They allege that three men and a woman attended the store about 3pm.
One man selected a bottle of Jim Beam, concealed it in the front of his pants and left without paying.
Police released CCTV still images of a man and a woman they believe will be able to assist with their investigation.
They urged anyone who recognised the pair or had information about the incident to call Constable West at Endeavour Hills Police Station on 9709 666 or Crime Stoppers on 1800 333 000.