U.S. immigration cops nab 595 in largest-ever raid U.S. immigration agents have arrested 595 people at a Mississippi factory in what was the largest workplace enforcement raid in the United States to date, an immigration official said on Tuesday. Immigration and Customs Enforcement spokeswoman Barbara Gonzalez said federal agents arrested the workers in a raid at the Howard Industries Inc. factory in Laurel, Miss, on Monday. The swoop at the plant, which makes electrical equipment including transformers, was part of an ongoing investigation into identity theft and fraudulent use of Social Security and for illegal immigrants....