Just over a month after a US federal judge struck down the Trump administration’s proposed $100,000 fee requirement for H-1B applicants, the government has announced an investigation into potential fraud in this temporary work visa programme.Also under scrutiny is a labour certification system that serves as the gateway to most employer-sponsored “green cards” that allow permanent residence in the US.On Wednesday, US Vice President JD Vance said that the US was investigating foreigners involved in fraud related to the H-1B programme. He said that the Federal Department of Labor had on Wednesday “started dozens of subpoenas and investigations into foreign fraudsters who are trying to take advantage of the H-1B visa programme.”A subpoena is a written order to attend a court of law to give evidence.“American jobs ought to go to American workers and not foreign fraudsters,” Vance declared.#WATCH | On H-1B visa program, US Vice President JD Vance says, "... We have a program called the H-1B visa program... We're fighting for your taxpayer money but we're also making sure that fraudsters don't take advantage of these visa programs. This is a visa program that was… pic.twitter.com/n2Z05zlh73— ANI (@ANI) July 8, 2026