Defend or die - Tom Marcus

Tom Marcus, former MI5, grew up on the streets in the North of England. He joined the Army at sixteen and went on to became the youngest member of the Armed Forces to pass the 6-month selection process for Special Operations in Northern Ireland.

He was hand picked from the Army into MI5 as a Surveillance Officer. He left the Security Service after a decade on the frontline protecting his country due to being diagnosed with PTSD.

An extraordinary battle and recovery took place which led Tom to write his first book, Soldier Spy which has been vetted and cleared for publication by MI5.

Tom now consults on projects within TV and film including the TV dramatization of his book Soldier Spy. His first novel, Capture or Kill, was published in 2018. I Spy is his second non-fiction book.

Due to the ongoing specific threat to Tom Marcus, MI5 insist he keep his identity hidden and he continues to work with the Security Service and other agencies to ensure he stays safe.

Praise for Capture or Kill: It's awesome
Mark Billingham, SAS: Who Dares Wins

Praise for Capture or Kill: Tom mixes tense drama with fascinating insight into the lives of security service operators, to deliver a blistering read
Jonny Lee Miller

Praise for Capture or Kill: This debut from a former MI5 surveillance operator is one of the most exciting I have read in a long time . . . Every page rings with authenticity, the tension is superbly sustained, and the central character is all too believable: a man wary of the power to kill
Daily Mail