BRECKENRIDGE HILLS • A Tennessee woman grabbed two knives from the shelf at a Family Dollar store here Tuesday and began stabbing a customer in the head, fatally wounding the victim. Cameka Cathey, 34, of Memphis, was charged with first-degree murder and armed criminal action in the attack. She is accused of stabbing Marybeth Gaeng, 65, inside the Family Dollar Store at 9730 St. Charles Rock Road. Cathey entered the Family Dollar store and retrieved two knives from the shelf, according to court documents. She then approached Gaeng and stabbed her in the head. While employees were trying to help...