In a book that was twice stopped by authorities, "The Messenger" tells how Shiv Malik met, and was subsequently taken in by, Hassan Butt, a notorious British-Pakistani terror spokesman in the aftermath of London's 7/7 bombings.
He tells Kathryn Ryan how he was duped and became the subject of a court case, with ramifications for press freedom across the UK.
Shiv Malik is a former investigative reporter who alongside breaking many exclusive front page stories, has spent time reporting from Afghanistan and Pakistan.
He is also the co-author of the 2010 cult economics book 'Jilted Generation' and co-founder of a think-tank, the Intergenerational Foundation.