When FBI and Department of Homeland Security (DHS) agents descended recently on two homes owned by Xiaofeng Wang, a Chinese national and cybersecurity professor at Indiana University, many in the idyllic college town of Bloomington were shocked. In December, Wang had been questioned by his employers about allegedly receiving undisclosed funding from China on a project that also received US federal research grants. On the same day of the home raids, Wang was fired from his longstanding post at Indiana University over email – a move that goes against the university’s own policy. But Wang hasn’t been charged with any…