Dwight Maxwell, a self-employed roofer and handyman, was arrested around dusk on September 7, 2012, in the parking lot of a mostly abandoned shopping center in Dunnellon, a small city in north central Florida. He had ignored a police cruiser at the side of the road ahead of him and nearly driven his black Dodge pickup into Officer Adam Robinson, who was training with the Dunnellon Police Department and involved at the time in a routine stop for a burned-out headlight. Robinson and his supervisor, Sergeant Jacob Gonzalez, pursued Maxwell for about a quarter mile down U.S. 41, the city’s main…