Fascinating and meticulously researched ... Walker, a reporter for The Guardian, has done the kind of deep archival spelunking and source-cultivating that makes editors nervous about expense accounts.
Utterly gripping ... Makes the sparkling most of an outlandish cast of characters ... Walker is gleefully aware that he has the material for a dozen films here.
Electrifying ... Consistently fascinating and at times thrilling ... Walker, a correspondent for The Guardian, makes good use of archival sources ... As interesting as the program’s nuts and bolts are its psychological dimensions, which Walker explores throughout the book.
A fascinating story of espionage ... Walker’s chronicle has all the elements of a great spy novel—assassinations, invisible ink, radio encryption, sabotage, misdirection, and treachery ... The Illegals is outstanding in its engaging details and harrowing disclosures.