 And those temperatures expected to stay high. More than two years after the school massacre at Robb Elementary School in Uvalde, Texas, the former school district police chief, Peter Arundo, and one of his officers are now charged for a 77-minute delay in confronting the shooter who killed 19 students and two teachers. ABC's Maria Villarreal in Texas. Students calling 911, begging for help. Please help me. There's a lot of dead bodies.