The head of a Chicago firm who was found guilty earlier this year of defrauding a Wisconsin bank as part of a scheme to help illegal immigrants obtain commercial driver’s licenses has been sentenced to 41 months in a federal prison.

Adam Babul, owner of Bamba Inc., was sentenced Nov. 4, according to a press release from the U.S. Department of Transportation’s Office of Inspector General. The sentence includes an additional 36 months of supervised release.

As part of the scheme, Babul, who was found guilty in June, claimed his company would help individuals looking for legal status in the U.S. However, prosecutors charged that Babul himself is in the country illegally and that he used illegal methods to obtain commercial driver’s licenses.

Babul had employees of his company take immigrants seeking CDLs to Wisconsin, where the employees would act as interpreters during written exams while at the same time feeding answers to applicants.

The applicants were taken to Wisconsin because Illinois has banned interpreters from helping on written tests.

The company also helped applicants setup bank accounts in Wisconsin using phony information.