If this letter was written up on 12th September 1985, it means that PC Robert Carr also must have gone to Witham police station on Wednesday 11th September 1985, when JB was already in custody on suspicion of burglary at the family run Osea Road caravan park...
So, if PC Robert Carr was at Witham police station, on the 11th September 1985, this was the very same s-day that Ann Eaton handed over the silencer to the police, and the very same date that David Boutflour contacted the police to tell them that he had found a silencer in the gun cupboard at whf...
Why was David Boutflour contacting the police on 11th September 1985, to inform them that he had found a silencer in the gun cupboard at whf, on Wednesday 11th September 1985, considering that since 30th August 1985, another silencer containing blood and paint upon and inside it, was already at the Lab' at Huntingdon?