S1·E25 Gold and Lead

While escorting a large amount of gold to Bordertown, Wendell is robbed and wounded, and the armed guard is killed by a couple of thieves. Then the killer turns the gun on his accomplice. Jack and Clive have trouble identifying the dead outlaw, but the killer turns out to be the estranged father of Bruno's girlfriend. Holding his family at gunpoint, he orders Bruno to bring him a horse and supplies.