Luqmaan Khan, 25, Pakistani-born U.S. citizen, nabbed November 24 in truck with Glock, magazines, body armor, and 'kill all' manifesto targeting University of Delaware campus.
FBI raid uncovers AR rifle, auto-converted Glock (1,200 rpm), hollow-points, vest; no prior record, but notes detail evasion tactics and martyrdom goals.
Charged with machine gun possession university hails prevention of 'potential tragedy' amid rising U.S. plot concerns.