https://apnews.com/c12c84da32fecc07c3e26ad0276a585e

WASHINGTON (AP) — The Justice Department dropped its case Thursday against a Massachusetts Institute of Technology professor charged last year with concealing research ties to the Chinese government, saying it could no longer meet its burden of proof at trial.

The department revealed its decision in the case against Gang Chen in a terse, single-page filing in federal court in Boston.