Law enforcement experts largely regard the Uvalde shooting response as among the worst in American history. A U.S. Justice Department report in January 2024 affirmed many of the newsrooms’ initial findings and recommended that all officers in the country undergo at least eight hours of active shooter training annually.

The documents offer a deeper portrait of the teenage gunman and actions of hundreds of law enforcement officers.

School district officials have released text messages, personnel files and student records of the shooter from the 2022 attack at Robb Elementary School in Uvalde, Texas, that killed 19 students and two teachers.