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What it did prove was policemen who should know better shot their mouths off, making all sorts of wild claims about uncovering ricin plots just in the nick of time.
Where all the other TV coppers routinely shoot their mouths off, fire guns and are as rotten as the baddies, Jack Frost (David Jason) lumbers in, has a good grumble, then gets on with the job of nicking a villain in the old-fashioned way.
SHE STICKS ON A NEW FROCK AND MOUTHS OFF ABOUT HER SORDID EXISTENCE