Case in point

There's no statute of limitations on counterespionage, none at all.

William Hood

Nor, is there any statute of limitations on writing about spy puzzles.

For example. Chapman Pincher returns to the "Fifth Man" question in his 2009 book Treachery. Tracking down the Cambridge Ring and their enablers has been good sport for British journalists since 1951.

The thing that amazes me is that Pincher was one of those journalists. The man was born in 1914. And yet, he is still chasing down leads and writing fat books as he nears the century mark. That is a worthy achievement in and of itself.

Pincher is convinced that former MI5 director Roger Hollis was a Russian mole. He has pursued that avenue for thirty years(since Their Trade is Treachery). His latest book has some new information that bolsters the case, but still no smoking gun.

What makes this book fascinating is that Pincher dishes a lot of inside information on how he got his scoops. Like Bob Novak's memoir, we get a close up look at how the sausage is made.