Meisner, Jason (February 14, 2008). "NIU shooting leaves 6 dead". Chicago Tribune. Archived from the original on February 16, 2008. Retrieved February 14, 2008.
Meisner, Jason (February 14, 2008). "NIU shooting leaves 6 dead". Chicago Tribune. Archived from the original on February 16, 2008. Retrieved February 14, 2008.