"Do not presume what I will and will not do." When Lucius looked up from the primping and preening of his finest Death Eater robes - He had been stewing over the day he would snuff the light out of Hermione for three months, so he made sure he would dress his best for this day - To see his son staring at him, with a look in his eye that made it seem he had something up his sleeve. Lucius sneered. "Don't look at me like you've placed a tracking charm on her now. Job told me you gave her some tools to work with last night." Draco tried to maintain the mask he wore, but he was never that good at occlumency or keeping a poker face in general. That was how Voldemort knew to crucio him within an inch of his life after he lied for Hermione at the manor.