Police are hunting a man who has stolen cars in Lichfield after saying he was taking them on a test drive.
The bogus buyer has been contacting people across Lichfield and Cannock who have cars for sale on the AutoTrader website.
After arranging a test drive of the vehicles he has then driven off in the vehicles.
Police say he has struck seven times since April 18.
The offender is described as a white man, approximately 6ft tall, of stocky build with stubble. He arrives at the location on foot, and often wears dark clothing with a cap or hat.
Detective Inspector John Quilty, Staffordshire Police CID, said: “We are reminding the public to be alert when selling their cars.
“Do not hand your keys over to a potential buyer, and be sure to ask for ID or confirmation of insurance before allowing a test drive to take place.
“If you do have an unusual meeting with a prospective buyer, or have any information in relation to these thefts, please report it to us.”
Anyone with information can call 101 quoting incident number 719 of 4 June.

