Heriberto Pagan , 86 , shot his grandson and killed his grandson 's father , police say . The shooting may have been triggered by a dispute , a law enforcement source says . He was hospitalized in critical condition , but died Saturday morning , police said . He fatally shot himself in the head after the double shooting .
Heriberto Pagan , 86 , shot his grandson and killed his grandson 's father , police say . The shooting may have been triggered by a dispute , a law enforcement source says . He fatally shot himself in the head after the double shooting .