Crewe Police have released CCTV images of a man they would like to speak to in connection with a number of thefts of mobiles phones from shops in and around the Crewe area.
The offender goes into shops, waits for the staff to be distracted and then cuts the working phone from the display.
PC Andy Kent said: "There have been four shops in Crewe over the past few months that we know have been targeted and are looking at whether they are connected.
"The latest attempt was in an Orange shop in the town, staff contacted police immediately as well as warning other mobile phone shops.
"We have been patrolling the area and are asking staff to be vigilant for suspicious activity in their shops. Meanwhile we are keen to identify this man in order to progress our enquiries."
Anyone who recognises the man in the CCTV should contact PC Andy Kent on 101 quoting occurrence number CC12286951.
Alternatively, information can be given anonymously by contacting Crimestoppers on 0800 555 111.