Wow, that's super creepy. Definitely sounds like the mind control theory was correct, which is simultaneously terrifying that they have that power, but relieving that it wasn't the case of crappy uncaring parents.
Don't suppose you could track down Constance? I'm kind of worried about her... Also, any chance you could get your hands on the schematics of the KS building? See if there's evidence of some kind of underground facility?