He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and pistols made by Glock and Sig Sauer -- and went to the elementary school wearing black fatigues ...

The student said no, but the guard searched his Dodge Charger anyway and found a black Glock ... loaded gun to school The student told the security guard that he was holding an assault rifle ...

Officials say Aden Cantu, 21, was selling firearms with conversion devices that turned semi-automatic weapons into machine ...