Hammer System Under News Today

♪ ♪ >> laura: we all know about americas rising crime rates, especially violent dominic violent crime in urban areas. but to do know increasing number being committed by young teens? matt finn is in los angeles to tell us more. >> over the past few days, extremely disturbing crimes committed by teens in chicago. three boys 14 and under were charged with felony -- aggravated carjacking. here in california, horrifying robbery video. his hammer system under, a chinatown camera store, three teen...