Texas school shooting: Onlookers urged officers to charge school while gunman was inside

Days after a Texas school shooting left 19 children and two teachers dead, witnesses are sharing details about the frustrating moments they arrived at Robb Elementary school in Uvalde after learning of an active shooter situation. Onlookers say they urged responding officers to charge the school as the 18-year-old gunman was inside killing people in one classroom. The massacre lasted about 40 minutes before the shooter was killed.