Teacher's Invention Won't Stop Shootings but Can Keep Students Safer

A former Pittsburgh school teacher and security director says his invention won't stop school shootings, but it will help keep students safer.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!