UVALDE, TEXAS No Explanation

Mourners at a makeshift memorial outside the county courthouse on May 26. Texas police are facing growing questions over why it took an hour to neutralize the gunman who killed 19 children and two teachers at Robb Elementary School after videos emerged of desperate parents begging officers to storm the school. The attack was the nation’s deadliest school shooting since 2012, when 26 people were shot and killed at Sandy Hook Elementary in Newtown, Connecticut.