In the final part of this series, we learn about the perpetrator as well as the investigations which have followed in the past two years. Videos: Articles and books: .

In part four of this five-part series, we watch as people realize just how flawed the police response at Robb Elementary really was. Videos: Articles and books: .

In part three of this five-part series, we see responding officers still preparing to approach classroom 111. Videos: Articles and books: .

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: Articles and books: .

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: Articles and books: .

A year ago this week, I covered the Amagasaki train derailment in 2005 in Japan. Why not cover a second one seven years earlier near a small town in Germany? Videos: Articles and books:

It's early in the morning on a Tuesday when you're awakened by the shaking of your bed, of your entire home. You think for a moment it's the end of the world. You and your family make it out of your h

It's early in the morning on a Tuesday when you're awakened by the shaking of your bed, of your entire home. You think for a moment it's the end of the world. You and your family make it out of your h

It's early in the morning on a Tuesday when you're awakened by the shaking of your bed, of your entire home. You think for a moment it's the end of the world. You and your family make it out of your h

The deadliest fire in American history happened not in Chicago, but in a small Wisconsin town to the north of Chicago on the exact same day - October 8th, 1871. Videos: Articles and books: ,