Veronica and Amy are automatically eliminated, they are at work during the scene
Ashley is in bed during this.
I don't believe it is either Emma or Mom, bust size
MUCH smaller than those two (yes could be compressed, but still with their busts they couldn't be THAT compressed (unless Faerin goofed))
Eyes are different (contacts I know).
Mom is allegedly in bed (but room is locked, gee if we only had a key to check on her). E
It's obviously someone who knows him though, there was too much recognition in their tone.
I'm leaning toward...