Watch CBS News

Exchange Student Who Threatened High School Attack Pleads Guilty To Federal Charge

Follow CBSPHILLY Facebook  | Twitter

DELAWARE COUNTY, Pa. (CBS) -- A foreign exchange student who threatened to attack his Delaware County high school pleaded guilty in court on Tuesday to a federal ammunition charge.

An-Tso Sun, 18, is a Taiwanese national.

an tso sun
Credit: (CBS3)

He was formally charged with possessing ammunition while being in the United States on a non-immigrant visa.

Sun threatened a shooting at Monsignor Bonner-Archbishop Prendergast High School on May 1.

Authorities say they found over 1,600 rounds of ammunition and a homemade pistol in his bedroom.

Sun's sentencing is scheduled for Dec. 11.

View CBS News In
CBS News App Open
Chrome Safari Continue
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.