Hero Nashville Officer Who Stopped School Shooter is From Chicago

SPC Robert Coventry Good job Officer Engelbert and Officer Collazo.
..."One of the officers credited with stopping the shooter inside a Nashville, Tennessee, elementary school on Monday grew up in Chicago, and his family said they aren’t surprised by his bravery. NBC 5’s Evrod Cassimy reports."

So, he's had specific and Life experience training then.

Good Deal