26-year-old Brandon Shirley, a Jefferson County Sheriff's Deputy, was shot to death while working security at a Shively car lot. Deputy Shirley's assailant has not been apprehended although Louisville Metro Police Chief Erika Shields says they have identified potential suspects. Chief Shields said the victim was targeted. “If someone is really determined to kill you, they will kill you. And that was the case here,” she said during the news briefing. “We will make an arrest,” Shields said. Louisville Mayor Greg Fischer joined me on 840WHAS radio today to discuss the decorated officer's death and answer questions about protection of law enforcement and the overall safety of the city. The interview became a bit contentious as I pressed the mayor on the perception that