Sun An-tso, a Taiwanese student in the United States, is charged with illegal possession of weapons and making terrorist threats. His court hearing is scheduled for April 25.
Sun is an exchange student in Upper Darby, Pennsylvania. On March 27, he was arrested after telling a classmate not to come to school on May 1 as he was going to shoot up the school. Police searched his apartment and found over 1,600 rounds of ammunition for assault rifles, shotguns and handguns. The police also found a bulletproof vest and a handgun that he had assembled himself with parts bought through the internet.
Sun was initially charged with making terrorist threats. According to the latest case file released by the court, he will also face charges of illegal possession of weapons.
Sun remains in police custody pending his hearing. Meanwhile his parents, who are both Taiwanese entertainers, have arrived in the United States.