When I saw the thread, I was going to say to say, basically just what that cartoon portray's.
I know I am going to get flamed for the following, so nomex on.
I'm not for people getting involved (myself included), [u]unless[/u] there is a danger to life or limb of an innocent. Most BG's will run if you just holler, observe and get all the info you can, contact the LEO's and let them deal with it.