More on SexWall street lawyers, investment bankers, CEOs and media executives often used corporate credit cards to pay for $2,000 an hour prostitutes, according to the madam who ran one of New York's biggest and most expensive escort services until it was busted last year. But prosecutors in the Manhattan District Attorney's office chose not to pursue any of the corporate titans, says Kristin Davis, who pleaded guilty last year to charges of running a prostitution business that used more than a hundred women... "Some of these guys, I was invoicing on corporate credit cards," she said.