Zig-Zag was the codename of Eddie Chapman, a criminal imprisoned in Jersey for safe-breaking[?] in Glasgow. On the occupation of the Channel Islands, the Germans recruited him as an agent and despatched him to mainland Britain to commit acts of sabotage. He was turned and was used to feed misinformation to the Germans.
... sitting in darkness. They
present only one side of the Christian life, and in
order to compass the whole of it they must be
supplemented by counsels for integrity, ...