The Trump administration this week launched what it described as a “major investigation” into alleged fraud in the H-1B visa system, along with an investigation into human trafficking as part of a broader effort targeting immigration and federal entitlement fraud. The Department of Labor and its Inspector General’s office said Wednesday the anti-fraud effort would also involve investigations into human trafficking in the H-1B visa and Program Electronic Review Management (PERM) systems used by companies to employ non-U.S. citizen workers. The Labor Department and inspector general, in a statement, said that both offices have “uncovered widespread schemes in which employers and labor brokers submitted fraudulent applications, exploited foreign workers through coercive wage-kickback arrangements, and undercut American workers by flooding the market with below-wage labor.”...