How does a 14 year old amass this kind of arsenal ?

Pa. student arrested in ?Columbine-style? plot
Guns, swords, military handbooks found in 14-year-old boy?s bedroom

MSNBC and NBC News
Updated: 13 minutes ago
PLYMOUTH MEETING, Pa. - A 14-year-old boy whose bedroom was jam-packed with weapons, neo-Nazi and anarchist literature, and DVDs about the massacre at Columbine High School was arrested after he asked a friend to join him in attacking a suburban Philadelphia high school, police said Thursday.