Matt Crawford speaks with author Howard Blum about his book, The Spy Who Knew Too Much. Blum does what he does best in his newest book, finds an unbelievable story and takes us along for the ride in what seems like a Hollywood thriller. An ex-CIA spy John Paisley's boat is found adrift, and he's found dead floating wrapped in 37lbs of chain. Cause of death? Suicide. Enter Pete Bagley, once a rising star at the CIA and headed to its possible directorship. However, suspecting a mole in the CIA's ranks, Bagley career was tarnished as forces tried to create doubt and suggest he was the mole. Eventually exonerated but his career tainted he retired... Until John Paisley turned up dead. Coming out of retirement and at great risk to himself Bagley starts his own investigation to solve this puzzle. You will not believe where it leads and what he found. Strap in folks, this is a hard one to put down.