ALBUQUERQUE, N.M. – Albuquerque police arrested a 35-year-old CNM student after they said he threatened to shoot up the campus and carried a gun in his backpack. Police said the professor looked visibly frightened and emotional when officers responded. Another student told a responding officer that Stockman had become increasingly aggressive about school administration and his grades. That student said Stockman looked visibly angry after he left his meeting. A campus security guard said he first stopped Stockman on campus, and Stockman agreed to hand over his backpack and gun.