It's the Moon-Landing Hoax one. Jarrah is a regular contributor:
https://www.facebook.com/groups/1842692022608212He, by the way, has raised a quizzical eyebrow at a paragraph in the FOI response, one which basically says "If you aren't Sgt Akers, you can't have the full details". He fails to notice the rest of the letter that says "If Sgt Akers is dead, his living relatives need to give permission". He's implying some sort of nefarious motive, when really it's just standard data protection. Akers' widow is still alive, ask her!