(Bloomberg) — Indiana’s attorney general is questioning Tyson Foods Inc. about its workforce as part of a broader investigation into illegal immigration, signaling a tougher environment for an industry that relies heavily on foreign labor. .

Todd Rokita sent a civil investigative request to Tyson Foods in Logansport seeking information related to labor trafficking, his office said in a statement. While Tyson himself is not under formal investigation, the attorney general said the broader investigation focuses on “coordinated efforts” by nonprofits and businesses to bring “large numbers of migrants into Indiana.”

The move by Rokita, a supporter of Donald Trump, offers a glimpse of how meat processors may come under increased scrutiny if the president-elect moves forward with a major crackdown on immigrant labor. Trump has confirmed that he plans to use the military to carry out what he has promised will be the largest mass deportation in US history.

Companies like Tyson and JBS SA rely on foreign workers for hard-to-fill jobs at beef, chicken and pork plants across the country and have benefited from increased immigration during Joe Biden’s presidency.

“When you have an open border and an influx of people coming illegally by the millions, we can’t have companies encouraging this criminal behavior by providing jobs for cheap labor,” Rokita said in the statement. “The sheer number of additional people coming into our communities is alarming, and that’s just from the point of view of seeing the staggering amount of resources that are being put into this fight.”

While Tyson is headquartered in Arkansas, it has a pork plant in Logansport, Indiana. The attorney general has sent similar requests for information to nonprofits including the Tent Partnership for Refugees, which connects refugees with jobs and has previously worked with Tyson and packaging company Berry Global Group.

Tyson Foods must respond in writing to the questions by Dec. 4, according to the statement. The company did not respond to a Bloomberg request for comment. Tent Partnership and Berry Global also did not immediately respond to requests for comment.

Trump has tapped South Dakota Gov. Kristi Noem to lead the Department of Homeland Security and Tom Homan, the former acting head of U.S. Immigration and Customs Enforcement, to serve as his border czar. Homan was the public face of Trump’s “zero tolerance” immigration policy during the president-elect’s first term.

The U.S. Department of Agriculture said nearly half of employed farmworkers do not have legal immigration status.

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