"Brian Gaff" wrote in message
...
And has anyone done the sums of the cost of all this against losses? OK so
there is a principal at stake, but I'd be willing to bet a fair number of
these prosecutions will fail.

The revenue normally work on the basis that a large percentage of those
arrested will "roll over". The prospect of serious jail time if you are
convicted means that few will contest the revenues claim.

tim