Shuuichi Akai

He is an American of Japanese descent and an FBI agent assigned in Japan to capture Vermouth. He infiltrates the Black Organization as Moroboshi Dai, codename "Rye," and is known as the "Silver Bullet." He later assumes the identity of Subaru Okiya with help from Yukiko Kudo's disguises and Professor Agasa's voice changer; the disguise is revealed during the Scarlet Truth.