Caules Forvedge has been arrested for Trisha’s murder. As Lord El-Melloi II brings the Mystic Eyes auction to a halt in order to divulge his findings, Reines—who is supposedly still in London—rushes to his side. She brings with her the real Caules Forvedge, proving that the perpetrator, disguised as Caules, had been among the group on the Mystic Eyes Collection Train all this time. And so, Lord El-Melloi II reveals the name of the true perpetrator: the former director of the Modern Magecraft Theories Department, the man said to "have had his heart stolen by Fairies"... (thetvdb.com)