'I'm home, ' she says, standing at my door with a sky-blue backpack clutched tightly to her chest. I haven't seen my granddaughter in years. But I know she's hiding a deadly secret... It's been ten years since I last saw Stephanie, but looking into her haunted eyes, she looks just as innocent as she did as a baby. I remember the photo of her wrapped in a little pink blanket; how my heart hurt not to hold her on the...