In addition to the witheld interview of Dodgy Mugford under caution, which contains evidence of her culpability in the various crimes she is guilty of having committed, such as burglary, drug dealings, cheque book fraud, and that Jones induced her to consider helping the police in favour of not prosecuting her at all, there is also the matter of rhe Missing original witness statement she made (September 1985) which was written out in the third person, and signed by her...
This missing witness statement was / is written up in Dodgy DS "Stan" Jones handwriting...
So, there's no guessing what went off there...