David Steven Bell, age 51, from Black mountain North Carolina is seen in the video below above defending himself against an aggressive gang of teenage female youths. Mr. Bell was with his wife and daughter at a shopping mall where it was reported that the female youths were causing a disturbance. I don’t know how the confrontation with Mr. Bell began but, the video shows how it ended.  We can learn important lessons about self-defense from this video: 1) Mob Mentality Angry mobs/gangs are…