The U.S. Department of Labor's Office of Inspector General has expanded its nationwide investigation into alleged H-1B visa fraud to Dallas, Texas, conducting door-to-door inspections at a multi-story office building linked to more than 500 approved visa petitions, many of which showed little or no evidence of active business operations.

Inspector General Anthony P. D'Esposito traveled to Dallas as part of the ongoing probe, according to a Department of Labor press release issued August 13. "At one multi-story building housing numerous businesses linked to more than 500 approved H-1B applications, door-to-door inquiries were carried out," the release stated, adding that many of the offices investigators visited showed clear signs of inactivity, including locked doors, lights left off, and little to no evidence of active business operations at the addresses listed in their visa filings.

Despite those findings, the Office of Inspector General has not declared that the companies involved, or the more than 500 H-1B petitions tied to the building, are fraudulent. Officials described the Dallas inspections as part of a broader, ongoing effort to determine whether information submitted under the federal foreign labor program matches actual conditions on the ground at the businesses in question.

D'Esposito framed the investigation as part of a........

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