Dr. Roy Guerrero, Uvalde’s only pediatrician, plays audio of children screaming during the Robb Elementary School shooting to a congressional hearing. | 21 people were murdered during the shooting; 19 of them were students. A further 18 others were injure

Dr. Roy Guerrero, Uvalde’s only pediatrician, plays audio of children screaming during the Robb Elementary School shooting to a congressional hearing. | 21 people were murdered during the shooting; 19 of them were students. A further 18 others were injure