India, Sept. 26 -- The US Department of Labor is stepping up its crackdown on suspected foreign labor fraud, with Labor Department Inspector General Anthony D'Esposito warning that investigators are pursuing more cases involving visa fraud, worker exploitation and potential human trafficking.

In a September 25 "Fraud Friday" video, D'Esposito said investigators were following every lead and using additional resources as part of the Trump administration's broader fraud enforcement effort. He warned that "more suspensions, more arrests, and more search warrants are coming."

The warning comes days after the DOL Office of Inspector General said investigators had already issued dozens of subpoenas and executed search warrants as part of a fo...