Impeccably dressed, meticulously neat, Dana Sue Gray spared no expense on herself. Dropping thousands of dollars on a shopping binge or a luxurious day spa was nothing out of the ordinary for Dana-nor for many wealthy women. But Dana wasn't wealthy-she was an unemployed nurse. She was also a serial murderess, who preyed upon elderly women, violently killed them, then used their credit cards to embark on wild, post-murder spending sprees. Women serial...