In November 2007, while on patrol around midnight, a police officer was dispatched to a burglary-in-progress at a residence. The homeowner and her daughter, armed with a gun, believed the burglar had already entered their home. The officer turned on his emergency lights and siren and began driving to the residence. While in route on a two-lane highway, the officer encountered a vehicle ahead traveling in the same direction. As the officer got closer to the vehicle, he observe