Undercover: The True Story of Britain's Secret Police, by Paul Lewis and Rob Evans, is the breathtaking exposé of a top-secret campaign of surveillance against British citizens, now fully updated for paperback.

THEY STEAL IDENTITIES.
THEY BREAK THE LAW.
THEY SLEEP WITH THE ENEMY.
THEY ARE THE UNDERCOVER POLICE.

This is the breathtaking story of forty years of state espionage revealed by award-winning journalists Rob Evans and Paul Lewis.