Other People's Money by Emile Gaboriau

"When I think," said Coleridge, "that every morning, in Paris alone, thirty thousand fellows wake up, and rise with the fixed and settled idea of appropriating other people's money, it is with renewed wonder that every night, when I go home, I find my purse still in my pocket."

And yet it is not those who simply aim to steal your portemonnaie who are either the most dishonest or the most formidable.