 This is On Point. I'm Meghna Chakrabarty, and okay, I'll be honest, this is the point where I desperately want to reference the Thomas Crown Affair, but this is real life, and very real money is at stake, because frauds sometimes demand fortunes. For example, between 1994 and 2009, the now-defunct Knoedler Gallery in New York sold dozens of forged paintings for millions of dollars apiece.