Members of the group offered on Telegram to draw armed officers to schools, malls and airports, though their claims are unverified. Such false emergency calls have disrupted campus life in recent days.
An online group has said that it was behind a number of recent swatting episodes that have drawn law enforcement officers to American college campuses, including Villanova University on Aug. 21.
Jinchao Wei provided a Chinese intelligence officer with defense and weapons abilities of U.S. warships, including their vulnerabilities, prosecutors said.