Hilton stay, zero checks: How shooter breached WH dinner security

An armed man breached security at the Washington Hilton, exchanging fire with law enforcement before being taken into custody. The suspect was able to reach the event due to gaps in the outer layers of security, entering the hotel as a guest and getting past outermost checks. There were no metal detectors at the hotel's entrances, with a secure perimeter only established closer to the ballroom