 So many people in this community and really across the entire nation are now wondering how the named shooter, Thomas Matthew Crooks, was able to access a rooftop with a direct vantage point to the rally stage. Some witnesses reported seeing the shooter go from roof to roof before the shooting. Republican Speaker Mike Johnson says the House will conduct a full investigation. The 20-year-old gunman from Bethel Park, Pennsylvania, was neutralized by the U.S. Secrets Service.