Former SAS legend and renowned military author Chris Ryan has been granted unique access for the very first time to some of the world s hardest and most sophisticated special police units. Ryan will meet those at the cutting edge of law enforcement, try out their hardware and participate in training and operations. His mission is to earn himself a place in each of the elite units he encounters. At the heart of the series will be a chance to see at first hand the inner workings of some of the world s most highly-organised and effective police units operating on the cutting edge of global crime.