Ex-police officer pleads guilty in daughter's hot car death

BAY ST. LOUIS, Miss. - A former Mississippi police officer charged in the death of her daughter in a hot patrol car has pleaded not guilty.  The Sun Herald reports 28-year-old Cassie Barker was arraigned Monday on a charge of second-degree murder in the 3-year-old girl's death.  The former Long Beach officer is accused of leaving Cheyenne Hyer unattended in a patrol car for more than four hours while she was in another officer's home. The car's air conditione