MURFREESBORO, Tenn. (OSBORNE)  --  Federal officials are again expressing concerns about Chinese institutes found on three of Tennessee’s largest university campuses.

The Chinese government operates nearly 500 Confucius Institutes on college campuses worldwide, including more than 100 schools here in the U.S. In Tennessee, they can be found on the campuses of Middle Tennessee State, the University of Memphis and the University of Tennessee at Knoxville.