This clip is from a show called Shooting Gallery that runs on The Outdoor Channel which my lousy cable company doesn’t carry. However there are clips of the shows floating online which are chock full of good advice. This is a quick clip (a little over 7 minutes)that talks about civilian techniques of surviving a home invasion. Watch it a couple of times because there’s a lot here, including gun placement, when you should clear a room and why in most cases not stay put in a fortified position is a bad idea: