HANFORD, Calif. (KMJKFSN) — A South Valley woman charged with the murder of her mother, whose body was found locked in the closet of a Hanford home, has pleaded not guilty. 37-year-old Kelli Yingling made an appearance in court Wednesday morning. Police found her mother, identified as 67-year-old Peggi Ann Yingling, on Friday during a welfare…… MORE