Most of its money comes from sex advertising, which includes illegal prostitution and forced trafficking, according to the California attorney general's office. In one of her first actions as Chief, Hall got rid of the unit after learning it was under an internal investigation for how it handled gambling money. But the new payment method touches a host of retailers, including national chains like Wal-Mart and Home Depot, online companies, and locally based Southwest Airlines. Her critics say the inquiry was over poor paperwork and disbanding the unit was a bad idea. He left the motel but stopped nearby.