Rio Lobo

After the Civil War Col. Cord McNally enlists the help of two ex-Confederates to track down a Union traitor who got Mcnally’s friend killed by passing info to the rebels. The end up in the town of Rio Lobo where the traitor is the leader of a gang of outlaws who terrorize the populace.

A 1970s era classic directed by Howard Hawk. it was also his last film.