In part three of this five-part series, we see responding officers still preparing to approach classroom 111. Videos: Frontline: Inside the Uvalde Response Frontline: After Uvalde: Guns, Grief, and Texas Politics Cell phone video of the parents imploring the police to do something ...

In part two of this five-part series, we see local law enforcement in Uvalde arriving at Robb Elementary, and what happens next - and what does not. Videos: Frontline: Inside the Uvalde Response Frontline: After Uvalde: Guns, Grief, and Texas Politics Cell phone video of the parents...

In the first in this five-part series, we look at the town of Uvalde, and the first moments before a normal school day goes from calm to terrifying. Videos: Frontline: Inside the Uvalde Response Frontline: After Uvalde: Guns, Grief, and Texas Politics Cell phone video of the parents...