Smyrna, Ga. - A former live-in caregiver, Madonna Whitus, 43, has been convicted on two counts of murder for the killing in December 2007 of 63-year-old Kathie Durant, a disabled Smyra woman, the Atlanta Journal-Constitution reports. According to prosecutors, Ms Durant died on the floor of her bedroom after Ms Whitus fed her only Slimfast and Coke as well as giving her anti-depressant medication that had been prescribed to Ms Whitus. During the week that Ms Durant lay dying, Ms Whitus went on a shopping spree with money that she had stolen from Ms Whitus. Ms Durant, who lived in Ms Durant's townhouse, faces life in prison and will be sentenced on September 19.