The explosive, shocking and honest account from an MI5 officer, revealing never-before-seen detail into MI5's operation 'I do it because it is all I know. I'm a hunter of people and I'm damn good at it.' Recruited after the 7/7 attacks on London, Tom quickly found himself immersed in the tense world of watching, following and infiltrating networks of terrorists, spies and foreign agents. It was a job that took over his life and cost him dear, taking him to the limit of physical and mental endurance. Filled with extraordinary accounts of operations that saved countless lives, Soldier Spy is the only authentic account by an ex-MI5 officer of the round-the-clock battle to keep this country safe.