For the very first time an MI5 undercover surveillance officer provides an unputdownable, eye-opening account of the on-going struggle to keep Britain’s streets safe and terror free.

‘Gripping. One of the most successful MI5 undercover surveillance officers of his time’ Sun

‘Very well written, gives a startling amount of operational detail, the biggest shock of all – MI5 agreed to its publication’ Sunday Times

In the boot were six homemade pipe bombs, all linked to detonate at the same time from a single call on a brand-new pay-as-you-go phone found on the target. Special Branch also found Chinese Type 56 assault rifles with eight full magazines full of ammunition.

His target was a local school. He planned to attack two coaches of teenagers returning home after a school trip to France. Approximately sixty children, their accompanying teachers and their waiting parents.

He was going to kill them all . . .