Police from the Casey Crime Investigation Unit are seeking two people who have engaged in suspicious behaviour inside a shop.
About 1pm on Tuesday 7 February, a male and a female entered a business in the Cranbourne Park Shopping Centre.
The then engaged in some unusual behaviour within the store which drew the attention of staff who then called police.
Police would not elaborate on the nature of the suspicious activity.
Images of the two people have been released and police ask anyone who knows them to contact Detective Acting Sergeant Mark Wiederhold at Casey CIU on 9705 3174 or Crime Stoppers on 1300 333 000.