Fascinating story of a forger who tricked both the Nazis and the Allies. Sounds like a great subject for a non-fiction novel.

Brought in for questioning, van Meegeren refused to give up the name of
the painting’s rightful owners and was sent to prison on charges of
treason, a crime punishable by death. Six weeks on death row and van
Meegeren cracked, announcing somewhat histrionically that he’d painting
the thing himself. Awkwardly, nobody believed him.– BoingBoing