DALLAS (CBSDFW.COM) – Dallas police are asking for your help identifying and locating an aggravated robbery suspect.

The unknown suspect, along with another man, was captured on surveillance video using a credit card stolen from the victim.

The victim was robbed on July 31 in the parking lot of the Star Food Mart in the 4800 block of Military Parkway.

A man armed with a semi-automatic handgun forced the victim and another witness to remove their clothing and hand over all their property. The suspect then jumped in the passenger seat of a waiting vehicle and sped from the scene.

The victim later notified police that his credit card was being used in Mesquite. (Click the video below to view.)

The suspect wearing the blue t-shirt has been identified and arrested. Police are now seeking help identifying the man seen wearing the white polo-type shirt with a black logo on the back.

Anyone with information about the aggravated robbery or the unidentified suspect is asked to contact Detective Tabor at (214) 283-4800, Dallas Police Departments Crimes Against Person Division at (214) 671-3661, or Crime Stoppers at (214) 373-8477.