The Doom Watcher: He imagined America's worst nightmares. Now someone is making them real

Joshua 'Mitch' Mitchell used to write movies. Now he writes disasters.

As a government 'doom watcher', Mitch is paid to dream up the worst things that could happen: terrorist attacks, infrastructure failures, pandemics, mass-casualty events. Every nightmare scenario is locked away offline in the Black Room - along with the countermeasures designed to stop them.

Then Mitch misses a flight, returns to the office after hours, and witnesses armed intruders stealing the files.

Within hours, a secur...