The posse.

What kind of men trample a little girl to death? Only the worst kind of low-down, subhuman varmints—and that's why Clint Adams agrees to join a posse to track down the gang of murdering bank robbers. But with a posse made up of a resentful deputy and merchants who don't know one end of a gun from another, the Gunsmith is in for a lot more trouble than he bargained for—especially when he realizes that the gang is heading for the one town in the West no lawman has ever entered!