Police remove police tape after a shooting incident from the front of McNair Discovery Learning Academy in Decatur, Georgia, August 20, 2013. Police arrested a 20-year-old man on Tuesday for opening fire with an AK-47 inside an elementary school in the Atlanta suburbs, forcing the evacuation of 800 students who were all reunited with their parents without injury, officials said. REUTERS/Tami Chappell (UNITED STATES - Tags: CRIME LAW EDUCATION)