Tennessee professor returns to work, two years after government accused him of being a spy for China

Earlier this year, the Department of Justice ended a Trump-era crackdown on academics with ties to China. Many researchers were targeted, sometimes with little evidence.

WPLN's Marianna Bacallao tells the story of Anming Hu — a world-renowned nanotechnology expert who was under house arrest for the past two years after the FBI accused him of spying for China.