A worker throws a piece of meat among cattle carcass scraps dropped into a truck at the Hallmark Meat Packing slaughterhouse in Chino, Calif.
For centuries, immigrants in search of a better life have settled in America's largest cities.
Now, thanks in part to the meat-packing industry, small, rural towns have become a key frontier. But these small towns struggle to provide the social services needed by such a diverse population.
One that's largely invisible to most Americans. It's the subject of a new series called "In the Shadows of the Slaughterhouse." Reporter Abbie Fentress Swanson of Harvest Public Media has the first story.