The shadow man - John Katzenbach

In the war-torn chaos of Berlin the Jews ran from hide-out to hide-out, hunted down in the name of Nazi purity. Survival was all - staying one step ahead of the next train to Auschwitz, one step ahead of almost certain death. But not all the Jews were hunted. There were hunters too, traitors to their race paid by the Gestapo with the promise of life. And among the hunters none was more feared than Der Schattenmann - The Shadow Man, lover of death.

Now, half a century later in Florida, the symbol of the ultimate betrayl has some unfinished business. For those who had the strength or luck to outlive the camps the past is catching up with them - and the past means death. A suicide that may have been murder, a robbery that hides a darker truth: behind both lies the Shadow Man, and Miami's remaining handful of elderly Jews know they're next on the list - unless they find him first ...