RULE OF LAW: Detrick Washington, 25, was at his business partner's San Francisco, Calif., home office when two men forced their way in. The robbers got $3,000 from the safe, but figured there must be more and beat and cut their victims to get them to talk. “I'll go and kill the kids and that girl if you don't give me the rest of the money,” one of the robbers said. While they ransacked the home, Washington saw his chance: one robber put his gun down, and Washington grabbed it. When the...