Heriberto Pagan , 86 , shot his grandson and killed his grandson 's girlfriend , police say . The shooting may have been triggered by housing dispute , a law enforcement source says . Score: 6
Heriberto Pagan , 86 , shot his grandson and killed his grandson 's girlfriend , police say . The shooting may have been triggered by housing dispute , a law enforcement source says . Pagan fatally shot himself in the head after the double shooting .