2
19
An 18-year-old exchange student from Taiwan was arrested Tuesday night for allegedly "threatening to shoot up" a Pennsylvania high school, local police said this morning.
According to the Upper Darby Police, the suspect, An Tso Sun, had items a slew of items in his home including: a military-style ballistic vest; high-powered crossbow with scope and light; arrows; 29 rounds of 9mm ammunition; a strangling device; a "military" ski mask; and ear protectors for firing.