"She was the last person who was with him, that saw him--that evening," Penelope felt her heart start to race at the thoughts that were going through her mind. She didn't know whether the witch did off her brother, but it was a possibility.
"Who knows, she may be," Penelope said with a shrug, her voice shaking slightly with the anxiety associated with her new thoughts. "There was nothing else wrong with him, no other injuries. And they didn't find anything off about his room. Healthy people--or muggles--don't die of suffocation without a cause like that. It'd explain why the muggle police can't find any trace of her at all."