Plenty of questions remain over the Uvalde, Texas, school massacre. But three days into the investigation, one thing is now for certain: law enforcement officials catastrophically mismanaged their response as 19 children and two teachers were killed inside a single classroom. “From the benefit of hindsight where I’m sitting now, of course it was the wrong decision—period,” Director of the Texas Department of Public Safety Steven McCraw told reporters at a tense press conference on Friday.