Lets introduce named conspirators involved in the sound moderator debacle - Detective Inspector Ron Cook, to begin with...
Now, we know that Cook kept the sound moderator according to what he told COLP, that he kept the sound moderator (SJ/1) in his jacket pocket for 17 days and nights after Glynis Howard handed it back to him at Huntingdon Lab' on the 13th August 1985. So, on the following day when Cook and Jones went back to the farmhouse on the pretense of taking measurements required for the coroner, Ron Cook must have had that sound moderator with him, because he told COLP in a witness statement (bearing in mind that he made that witness statement of his own free will, knowing that if he stated in it anything that was false or he knew not to be true, that he would be liable to prosecution - in any event, Ron Cook did have that sound moderator with him at the scene when he went there along with police Inspector 'Bob' Miller, and Stan Jones, in the company of Ann Eaton!
Now Ann Eaton was told by the cops on that occasion, that she had not seen whatever it was that the cops had been doing in the region of the kitchen aga!
In Cooks version of the events he merely took a paint sample which he claims was given the exhibit reference RWC/1. Miller and Jones back him up in their respective versions of the events...
But what is very interesting is that in Stan Jones haste to corroborate what Cook said he had done and did, Jones states that the cops didn't have the sound moderator with them when they went to the scene on that day, at the time Cook took that paint sample...