Two drones were stolen and staff were threatened during an alleged theft at a Lincoln store on Tuesday morning.
A person picked up two boxed drones and left Homesense at Tritton Retail Park without making any attempt to pay for them at around 11.50am on Tuesday, October 30.
The person also threatened a member of staff who had challenged them, police said.
Police have released a CCTV image of a man it is believed may be able to assist with their inquiries into the theft.
Anyone with information should contact police on 101 or via email at [email protected] quoting incident number 163 of October 30.
It can also be reported anonymously through Crimestoppers on 0800 555 111.