LEXINGTON, Ky. (WKYT) - A Lexington woman faces charges for attacking her 70-year-old mother. Lexington Police arrested Lisa Harmon, 47, Sunday night. It happened at the home she shares with her mom on Camelot Drive. Police say Harmon threw a knife at her mother, hit her several times and took her walker away. We're told this all happened during a disagreement over the volume on the television.