Thieves who stole a man's wallet from Alexandra House conference centre used the card to buy goods worth hundreds of pounds.
The suspects called the victim and duped him into providing his bank details after they took his wallet from the conference centre near Wroughton on May 27.
Police have released CCTV images of the people wanted in connection with the theft.
Anyone with information that could help to identify those involved should call police on 101 quoting log 54220054963.
Alternatively they can leave information anonymously by calling Crimestoppers on 0800 555111.
A Wiltshire Police spokesman said: "Your bank and the police will never ring and ask you to verify your PIN, withdraw cash or purchase high-value goods."
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