And is Theo being open with you about how he escorted his son before Harry and Cruciated him in Harry's presence, precisely because said son was interfering with Harry's creature?

And has Raz told you of how Theo's son used Imperius on the creature during one of his lessons? Had it perform a strip-tease, no less.

The letters could easily be forged. I admit the recordings are more convincing, on first glance, but more more careful study will be required to verify their authenticity.

The creature is playing stupid for now. This gives me pause, because it should not have to play.