I have spoken to the AAIB yesterday and today and they are getting on with the job. I have referred them initially to my posts on this site since it seems pointless writing another report when most of the detail is available in serial form.
Upon reflection that does it for me.
Whilst that's still a fair way from getting locked up for contempt, it certainly looks like a deliberate step in the right direction!
There's no way this guy is for real, it's a wind-up.