An Tso Sun, an exchange student from Taiwan, was arrested last week. Over 1,600 rounds of ammunition and a semiautomatic firearm were found after a student was arrested for threatening to shoot up ...

An-Tso Sun was arraigned in federal court, where he entered the guilty plea. A judge scheduled sentencing for December, but Sun's attorney Robert Keller asked that the date be moved up once the ...

An Tso Sun-- an 18-year-old foreign exchange student from Taiwan who was studying at Monsignor Bonner Archbishop Prendergast Catholic High School -- had hundreds of rounds for an AR-15 ...

UPPER DARBY, Pa. (WPVI) -- 18-year-old An-Tso Sun appeared in court Wednesday morning in Upper Darby, Delaware County. The Bonner Prendergast Catholic High School exchange student was arrested in ...

Police say the 18-year-old exchange student An Tso Sun was reported for making a threat. "He told a fellow student, 'Don't come to school on May 1 because I'm going to shoot up the school,' and ...

Eighteen-year-old An-Tso Sun pleaded guilty Monday to state terroristic threat charges and was sentenced to four to 23 months. He was immediately paroled to federal authorities who announced ...

According to court documents, An Tso Sun was charged with threatening to terrorize Bonner Prendergast Catholic High School, located on North Lansdowne Avenue in Drexel Hill. Sun was allegedly ...

In the few months that An Tso Sun had been in the United States, police allege, the foreign-exchange student used a school iPad to learn how to buy guns, boasted of a plan to massacre his ...