On October 12, 2018, This American Life aired Episode 659 entitled Before the Next One.  Act One of the episode, Ready as You’ll Never Be, is a candid interview of two teachers at Marjory Stoneman Douglas High School in Parkland, Florida that were at the school during the February 2018 shooting that claimed seventeen lives.

The interview addresses the emergency planning revisions at the school that took place just a month prior to the shooting, as well as what worked and what didn’t.  It is a fascinating look at active shooter training at one educational institution by two teachers who lived through an actual event.

The entire episode can be found here.