Longarm and the Deadwood Shoot-Out (Longarm Series #411) in Bloomington, MN

Stagecoach thieves are planning a twelve-gauge surprise…
When hooded stagecoach robbers accidentally steal a strongbox containing U.S. mail along with their loot, they make the mistake of committing a federal crime—and tangling with U.S. Deputy Marshal Custis Long.
The robbers have a clear M.O.—always working as a pair, they hide their faces and do their talking only with their shotguns. With little to go on in terms of the thieves’ identity, Longarm follows a trail of clues to a Deadwood bordello, where he learns that a little pillow talk might just get a man killed…