In case you all missed this, our wonderful mod friend Klashikari compiled the information that you anime viewers are all missing because of the investigation butchering.
Here's that link. If you're interested in trying to figure it all out ahead of time you'll need this.
Beyond that the unfortunate thing is that without an ElectroID you can't view the student profiles (or the floor plan). Perhaps if this butchering continues to be an issue some people can be nice enough to infodump the floor plan.
