London Match: A Bernard Sampson Novel - Len Deighton - Bog

"The spy who's in the clear doesn't exist. Bernard Samson hoped they'd put British KGB agent Elvira Miller behind bars. She'd made a sweeping confession, but there was one troubling thing about it: Two codewords where there should have been one. The finger of suspicion pointed straight back to London. And that was where defector Erich Stinnes was locked up, refusing to talk"--