 Senator Reid and the governor in the aftermath of the attack in Pennsylvania this weekend. There's new reporting from CNN today. They say that the 20-year-old suspect in the case bought 50 rounds of ammo just hours before shooting former President Trump. They also say that local law enforcement sniper teams were delegated to cover the roof of that building, which was just 156 yards from the stage in Carlisle. Let's bring aboard ABC's Brian Clark with more on the investigation.