17-year-old suspect critically injured, faces 13 felony charges; Memphis Officer Joseph McKinney possibly killed by friendly fire during shootout.

Memphis Police Officer Joseph McKinney was possibly killed by friendly fire during a shootout with a 17-year-old suspect, according to the Shelby County District Attorney's office. The 17-year-old, who is critically injured, faces 13 felony charges including multiple counts of Criminal Attempt First-Degree Murder, Assault Against First Responder, and Aggravated Assault. The DA's office plans to prosecute the teen as an adult.