Marcus climbs aboard a stolen train that nearly changed the Civil War, meets witnesses of Mark Barton's mass shooting at 2 day-trading offices, and trains with SWAT to rescue Oscar Reynoso and take down drug cartels.

Travel Guide

Find restaurants, accommodations and activities from this episode.

Atlanta Pictures

Marcus heads to Atlanta to investigate the Great Locomotive ...

Marcus's Not So Bright Moments

Marcus shares his top 5 wackiest moments from Hidden City.


Marcus Repels Down a Building

Marcus repels down the side of a building with the SWAT team.


Trains, Drugs and a Murderer

Marcus visits Atlanta to experience crimes old and new.


The Chase Is On

Marcus steals a car to experience what it is like to be ...


Marcus' Latest

Enjoy an excerpt from The Two Deaths of Daniel Hayes.

Read 'Em All

Discover all of Marcus's books.

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