Since the UK's gun ban in 1997, gun crime has gone up 89% in a decade:
http://www.dailymail.co.uk/news/article-1223193/Culture-viol..."The latest Government figures show that the total number of firearm offences in England and Wales has increased from 5,209 in 1998/99 to 9,865 last year - a rise of 89 per cent.
In some parts of the country, the number of offences has increased more than five-fold."