Texas: The investigation report of the mass shooting at a Uvalde elementary school, that killed 21 people, including students, in Texas, states of USA has severely criticized school securtiy and police officers. According to the report released on Sunday, police and security personnel failed to defend against the attack.

Before and after the attack “egregiously poor decision-making” resulted in more than an hour of chaos before the gunman who took 21 lives was finally confronted and killed.

The nearly 80-page report was the first to criticize both state and federal law enforcement, and not just local authorities in the South Texas town for the bewildering inaction by heavily armed officers as a gunman fired inside two fourth-grade classrooms at Robb Elementary School, killing 19 students and two teachers.

The gunman fired approximately 142 rounds inside the building — and it is “almost certain” that at least 100 shots came before any officer entered. No one assumed command despite scores of officers being on the scene.

A Uvalde Police Department officer said he heard about 911 calls that had come from inside the classroom, and that his understanding was the officers on one side of the building knew there were victims trapped inside. Still, no one tried to breach the classroom.

According to the report, 376 law enforcement officers massed at the school. The overwhelming majority of those who responded were federal and state law enforcement. That included nearly 150 U.S. Border Patrol agents and 91 state police officials.

“Other than the attacker, the Committee did not find any ‘villains’ in the course of its investigation,” the report said. “There is no one to whom we can attribute malice or ill motives. Instead, we found systemic failures and egregiously poor decision making.”

Officials with the Texas Department of Public Safety and U.S. Border Patrol did not immediately return requests for comment Sunday.

The report followed weeks of closed-door interviews with more than 40 people, including witnesses and law enforcement who were on the scene of the shooting.

Hours after the report was released, Uvalde officials separately made public for the first time hours of body camera footage from the city’s police officers who responded to the attack. It includes video of several officers reacting to word from a dispatcher, roughly 30 minutes after the shooting began, when a child in the room had called 911.