"I might have an idea or two." he replies, taking a sip of his own drink. "The last couple that we were positively able to track, one went missing in Japan, in or near Aokigahara, the other was in the Black Forest region of Germany. Both of them just .. vanished, more or less about the same time. Either option is worth checking in to, but I can't tell you if one is a better choice than the other."