ST. CLOUD -- Over 400 people gathered at the River's Edge Convention Center this evening to hear one experts thoughts on violence among our children.

Lt. Col. Dave Grossman is an expert on human aggression and the roots of violence and violent crime.

He says kids are being being taught violent behavior from video games, much like soldiers are trained for combat.

Grossman says the best thing we can do for our kids, is to keep them away from violent imagery.

Grossman has appeared on Larry King and 60 Minutes, discussing his studies on media violence worldwide.

He says training those in education and law enforcement will limit the amount of shootings in schools.