“It is the Japanese equivalent to one, yes. My final case took place in Japan. An individual ended up acquiring one of their tools.” If Rachel was wondering how L had come to encounter them, he was hoping that would be answer enough. If he was going to give her any information at all he had to be aware that what he said to her may end up falling into his enemies hands.
L tried switching the topic now, and returning to his original question. “Is there a reason why you wanted to discuss these things with me?”