Misappropriated

For the trillionth time, Remus shook his head, thinking that it simply couldn't be right. Sirius had always been the most loyal of friends. He and James had been thick as thieves. Closer than brothers. He would never have sold his best friend to Voldemort. Would never have been the spy. He would've died before betraying his best friends. What if he'd been Misappropriated all along?