For years, the payments went out of the woman's bank account. Nobody batted an eyelid. Bills were paid. And life went on as normal in the quiet neighborhood of Pontiac, Michigan. Neighbors didn't notice anything unusual. The woman traveled a lot, they said, and kept to herself. One of them mowed her grass to keep things looking tidy. At some point, her bank account ran dry. The bills stopped being paid. After its warnings went unanswered, the bank holding the mortgage foreclosed on the house, a common occurrence in a region hit hard by economic woes. Still, nobody noticed what...