After not one employee felt a scratch when Patrick Gray Sharp fired more than 100 rounds at McKinney's public safety building Tuesday, the building itself became a hero.
Secure access points and the arrangement of rooms create a buffer between McKinney law enforcement officials and the public. Windows sit just above eye level to prevent direct attack. They slope to limit ledges for explosive devices. Bulletproof glass protects the lobby, and bullet-resistant liner lies inside the masonry walls.