A Georgia woman was charged with second-degree murder after a dog in her care reportedly fatally attacked her 7-month-old great-granddaughter last Tuesday. WJBK reported Migdelia Guadalupe, 56, suffered non-life-threatening injuries when an American Bulldog-Great Pyrenees mix mauled Serenity Garnett to death at a home in Martinez. WJBF reported that Garnett’s grandmother had dropped her off at …