The member of the public had tried to intervene after a man stole a keyboard from a store in Orchard Shopping Centre in Taunton, at around 14.40 GMT on Saturday 3 December. The offender showed the victim that he had a knife and threatened them. Detectives want to identify the man in the image in connection with this investigation. He is white, aged in his late teens or early twenties, of stocky build, with dark brown slightly curly hair and short facial hair. He was wearing a black hooded top, with the hood up, and a black coat over the top, as well as skinny blue jeans and dark shoes with white soles. If you know this man, or have any other information which could help, please call 101 and give the call handler the reference number 5222290031.
