Christopher Smart: Rethinking the police and use of deadly force

A Salt Lake City Police body-cam video shows Bernardo Palacios-Carbajal running from officers when shots ring out and he crumples to the ground.The May 23 video is disturbing because it captures the end of the 22-year-old man's life. The officers had responded to a call of a man with a gun. When confronted, Palacious-Carbajal did not comply with their commands and fled. Some have wondered if it is necessary for police to use deadly force in cases like this.The shooting remains under investigatio