After the tragic incident in Connecticut, there have been a lot of conversations about what to do in an active shooter situation No matter where you are, the mall, school, a theater, you can be better prepared.
Houston put together a very good video. You can find the video on YouTube.
I will warn you that there is a “simulated shooting” in the beginning of the video. However, this is one of the best short videos I have seen.
It demonstrates that you need to be prepared and vigilant always. Here is the link: