In Wisconsin, officers cautiously approach a dangerous driver's wrecked car. Refusing to exit the vehicle, the driver suddenly opens fire on them. In Washington State, a community rallies to protect two officers shot in the line of duty.

A shooter with an AR-15 opens fire on 300 clubbers in Orlando, Fla.; hiding in the bathroom, he takes multiple hostages; it's a race against time to save their lives; in Washington, a thief steals a shotgun from a Walmart, and K9 officers track him.