Man from Headquarters (1942)

Reporter Larry Doyle is rewarded for his role in the capture of the Pardoni gang, but then loses his job on a frame-up to keep him from testifying. He goes to a neighboring city, meets Ann and, before he gets another reporting job, has to pawn his engraved revolver with a fence in league with the gangsters also part of Pardoni's mob. The gang gets the revolver from the fence and plant it at their next job, but Larry is on their trail and captures them at the pawn shop.