Debra Jeter, 33, who pleaded guilty Tuesday in Hillsboro, Texas to capital murder and attempted capital murder in an attack that left one of her daughters dead and the other seriously injured…Jeter has been behind bars since she was arrested on June 5, 2009 after placing a chilling 911 call to report that she had killed one of her daughtersHill County deputies, Hillsboro police and state troopers converged on an abandoned farmhouse on U.S. 77 just off Interstate 35 and found Jeter in the garage with her hands raised above the head.Officers found 12-year-old Kelsey Leanne Jeter dead inside the house and13-year-old Kiersten Leigh Jeter critically injured in a bedroom.Authorities said Kiersten, had a stab wound in her back and evidently tried to protect her younger sister during the attack.Debra Jeter can be heard on a 911 dispatch tape released Wednesday imploring the operator to speed an ambulance to the abandoned house in Hill County where she used a knife in an attack that left her younger daughter dead and her older daughter badly wounded.“I just killed my children,” Jeter told the dispatcher.Then she said, “One of them is still alive, hurry.”“Get an ambulance out here to save the one that didn’t die,” she said.“Come on, hurry up.”Later she can be heard saying, “Oh my God, she’s dead. Oh My God."