About the Author

Tom Marcus lives in London.

Reviews

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.
*from the publisher's description*

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*