Dover Station, Montana, is no place for a lawman. A sheriff's badge ain't worth a nickel here--unless you've got the bullets to back it up . . . When he signed up to be sheriff of this dirty little boomtown, Aaron Mackey knew he was asking for trouble. Once, when Mackey was the U.S. marshal for the whole Montana Territory, he swore no job could get any harder. But that was before he took down a few of the bank-robbing Hancock--and incurred...