Rei Furuya is an undercover P.S.B. officer, infiltrating the Black Organization (The main antagonists) His code name while in this organization, is Bourbon. Other aliases he goes by are Amuro Tooru, and Zero (Rei in Japanese). He has a strong hatred for Shuichi Akai, since he believes he killed one of his closest friends, Scotch (Another member of the Black Organization). Rei Furuya has exceptional deductive skills, and is a young male. The only people who know about him being undercover as of now are Shuichi Akai, and Conan Edogawa.