Nice article. Very telling about our society's never-hesitate attitude when it comes to using deadly force.

The correct response would have been to politely ask the persons involved to be quiet. Then, if they do not, ask the manager for a refund while the movie is still playing, explaining why you cannot enjoy the film. Chances are the manager will oblige or expel the offending guest after a warning. Or, if you have children with you or don't want to chance upsetting a psychopath, just collect your refund and leave.