Richard Hammond's Miracles of Nature (2012)

S3E19 Crumb Again

As Crumb prepares to release his exposé on police corruption in Chicago, he finds himself in the crosshairs of an unknown adversary determined to prevent the book's publication. After narrowly surviving a drive-by shooting with Gary, Crumb seeks help from Federal Agent Brigatti, a recent addition to the Chicago detective unit. Brigatti steps in to investigate the threats against Crumb, working tirelessly to uncover the identity of the person trying to silence him.