// I would never believe a word Plod say unless there was other evidence to back it up. //
Neither would I necessarily. The reason I was convinced it had to be Mitchell who was lying was quite simply because the police had absolutely nothing to gain from making up his rant. Nothing whatsoever.
Conversely, Mitchell would have had good reason to deny it if their version was true.
I see another man has since been arrested...
http://www.bbc.co.uk/news/uk-politics-20795489