T-Man #15

In "The Traitor," Treasury Agent Pete Trask investigates a plot involving a film that would expose a Nazi collaborator named Tremaine. Trask discovers that Tremaine has been betraying underground units to the Gestapo and has hired killers to retrieve the incriminating film. After a confrontation in London, Trask pursues the villains to a museum where they've hidden a hydrogen bomb, leading to a climactic battle as police and agents work to locate and stop the terrorists before they can escape with their deadly weapon.