OK, lets go the full hog:-
Radcliffe the gun dealer, made a false witness statement, claiming that Sgt. Bernard showed to him the rifle (DRH/15), the sound moderator (DRB/1) and the telescopic site DRB/2)…
Bernard couldn't have showed him the sound moderator (DRB/1) because it was still at the lab' under examination and in storage until the trial. Furthermore, he couldn't have showed Radcliffe the exhibit label (DRB/1) because that was stuck to the Sound Moderator at the lab'...
So, there must have been some form of collusion between Bernard and Radcliffe which amounts to a criminal offence.
Mind you, there is the matter of the signed exhibit label, bearing Radcliffes signature at position one, along with Cooks signature, Howards signature, and the signatures of...