Article Photos: How realistic should school shooting drills be? 4/5

FILE - In this file photo of Jan. 28, 2013, members of the Washington County Sheriff's Office and the Hudson Falls Police Department use unleaded guns to take part in an emergency drill as they walk through a corridor inside the Hudson Falls Primary School in Hudson Falls, N.Y. School security has come under more scrutiny in the wake of the Sandy Hook Elementary School massacre in Newtown, Conn., that killed 26 people in December. (AP Photo/The Post-Star, Omar Ricardo Aquije, File)