The new videos largely affirm prior reporting and investigations that detailed law enforcement’s failures to confront the gunman who killed 19 children and two teachers.

The inquiry will help determine whether criminal charges should be brought against responding officers.

The new material further illustrates the lack of coordination among officers, the confusion over the chain of command and the delays in confronting the shooter.

The daughter of Eva Mireles, one of the teachers who was shot and killed along with 19 students at an elementary school in West Texas Tuesday, penned a heartbreaking, yet heartwarming, letter to her mother, giving the world a look inside the soul of the woman being hailed a selfless hero.

One student was an avid runner, so fast she swept all the races at field day.

One student was an avid runner, so fast she swept all the races at field day.

Families turned to social media in a desperate attempt to find their missing children as the death toll in a gruesome school shooting at a Texas elementary school rose to at least 19 students and two teachers.

At least 19 children and two adults were shot and killed in a mass shooting Tuesday at Robb Elementary School in Uvalde, officials said.