And well, I was wondering if Heiji is caught in disguise and Ran asks him how he faked his voice.
This is probably a first step for Ran to learn about the Modulating Tie and discover about Shinichi.
@huntercheco
Yes, that's make sense, since Gosho didn't give us a answer to the first and last scene of the Bunny Girl Case.
So maybe Amuro will get involved.