Man Accused of Killing Ex, Her Husband, 6 Kids: She Wasn't a Good Parent

David Ray Conley, who Houston police say has confessed to murdering his ex-girlfriend, her husband, and six children (including his own son), has tried out a novel defense—telling a local radio station that his ex was raising his children to be “monsters” and “disrespectful.” Conley also insisted he loved his own son…