In 2007, when Virginia’s Prince William County ordered police to check the immigration status of anyone they had “probable cause” to suspect was in the U.S. unlawfully, the impact was swift at family restaurant Ricos Tacos Moya. “Suddenly nobody showed up,” says Stacey Moya, an employee, and daughter of the owner. “Nobody was around. Not one soul. We would go hours without any customers, any clients. Nothing.” After community protests, the policy was soon watered down. In fact, police only check the status of those they arrest for a crime. Still, the stigma around the resolution stuck. Moya says one of her family’s restaurants went under. And while business at this one has picked up, it’s not the same. “Not even on weekends after church,” she says. “Nowhere near what it was before. I guess nobody likes to be around in the public that much.” Next year Congress is expected to again take up immigration reform, something it tried, but failed, to pass in 2006 and 2007. The collapse…