 815, I'm John Aaron. And I'm John Doman. Thanks for being with us here this morning. Many questions remain unanswered about how a 20-year-old gunman managed to get access to a nearby roof where he opened fire on the crowd attending a Trump campaign rally over the weekend, firing a shot at the former president. WTOP National Security Correspondent J.J. Green joined us earlier to tell us more about the security failures in Pennsylvania. You had one clever shot.