Detectives investigating the theft of a tablet computer from a shop counter in Chesterfield have issued a CCTV image of a woman they want to trace.
They believe she may hold vital information about the incident in Discount Booze and Sweets on Packers Row at around 9.15am on Saturday, April 29.
Derbyshire Police said a man placed his Samsung Galaxy tablet, which was in its original box, on the counter while he paid for goods.
He forgot to pick it up when he left the shop but when he went back a short time later the tablet had vanished.
The woman police want to trace is white and has dark hair.
Anyone with information should call PC Matt Rodda at Derbyshire Police on 101.