Video - Javier Soto Reports
Posted on April 23, 2014 at 10:05 AM
Updated Wednesday, Apr 23 at 12:38 PM
A loud bang goes off in the middle of Millennium High School and when the smoke clears, dozens of kids are lying on the ground. It sounds terrifying, but it's not real. At least not this time. But it has happened -- for real -- many times before.