This just about sums it up:
"Camden police are required to “solve” at least 24 per cent of
offences. Under current measurements, solving a complicated rape case
involving dozens of officers and hundreds of hours of work is given the
same statistical weight as awarding a caution, or a formal cannabis
warning."
http://www.thecnj.co.uk/camden/2008/040308/news040308_12.html
--
Dr John Watson
Baker Street