Dean pleads guilty in Sioux City officer shooting

 SIOUX CITY, Iowa (AP) - A 22-year-old man has pleaded guilty to attempted murder in the shooting of a Sioux City police officer.  Jamal Dean changed his plea to guilty at a hearing Thursday and will be sentenced Aug. 9.  Dean earlier had pleaded not guilty to attempted murder and four other charges related to the shooting of officer Kevin McCormick on April 29.  Although his patrol car was riddled with bullets and he was shot in the head, McCormick wasn't seriously injured and has returned to work.  Dean faces up to 25 years in prison for the attempted murder charge. He must serve 70 percent, or 17 1/2 years, before becoming eligible for parole.  He faced up to 85 years in prison if convicted of all five charges.