They came to build America's factories. They left in shackles

Mr. Kim is one of hundreds of skilled engineers brought to the nearly 3,000-acre Hyundai-LG Energy Solution factory in southeastern Georgia. He came to share his expertise and train Americans to get the new electric-vehicle battery plant up and running -- a multi-billion dollar project expected to create thousands of new jobs. Kim, who asked to be identified by only his surname, thought he was playing a part in fueling the manufacturing boom President Donald Trump had promised. But on Sept. 4, that mission was abruptly halted. That morning, as engineers were testing equipment, Kim said he heard murmurs that armed law enforcement officers were entering the factory. They were told to go outside, where immigration officers started dividing workers based on their visa status. Hours later, Kim