 Uvalde school's police chief, Pete Arredondo, was among the first to arrive after a gunman opened fire at Robb Elementary. Wait, chief is in there. Chief's in charge right now. Hold on. His slow-moving and botched response as on-site commander, while he and hundreds of others waited for more than 70 minutes before confronting and killing the shooter, was broadly condemned in multiple investigations and led to his eventual dismissal.