 According to the Associated Press, the 20-year-old gunman pointed his rifle at an officer who found him on a rooftop shortly before he opened fire at the rally. Flags are flying at half-staff today in Pennsylvania for the rally-goer killed last night, who's since been identified as 50-year-old firefighter Corey Compertor. Governor Josh Shapiro. Corey died a hero. The Corey dove on his family to protect them last night.