Let's get real guys, I think he did the right thing.
The idea of doing a cell phone video while holding a gun and dealing with an irate person seems just too ludicrous to be taken seriously.
Experience is a very bad teacher because it first gives you the test and then teaches you the lesson.
Yes thats an ideal situation. I have told my boy in the past to evade etc. but if cornered immediately call 911, open the phone/camera and shout he is on the line with police and being recorded.