Crimen escolar en EE.UU.

EEUU: Crimen escolar

Lincoln-Sudbury Schools Superintendent John Ritchie reacts as he speaks to the media about a fatal stabbing of a 15-year-old student inside the Lincoln-Sudbury Regional High School in Sudbury, Mass., Friday, Jan. 19, 2007. Listening in back, center is Middlesex District Atty Gerard Leone. A 16-year-old student was charged with murder following the fatal morning fight. (AP Photo/Elise Amendola)