https://www.siliconvalley.com/2020/08/04/h-1b-homeland-security-labor-department-agree-to-cooperate-against-visa-abusers/

The agency in charge of H-1B visa applications, U.S. Homeland Security, will for the first time start sharing suspected labor-law violations with the federal Labor Department so the department can use a dormant power to launch its own workplace investigations, officials said.

For 15 years, U.S. labor secretaries have had the power to initiate an investigation into use of the H-1B, but “that authority has never been used,” U.S. Labor Secretary Eugene Scalia told President Donald Trump in a White House meeting Monday.