100 die annually.

100 people are killed annually by mentally disturbed individuals who should not have been on the streets in the first place. This is because our folly-ridden politicians introduced their cost-cutting 'care in the community' policies under the last tory government - and after 13 years of New Labour - nothing had really changed.
I can seldom better Peter Hitchens - so I won't try:
http://www.dailymail.co.uk/debate/article-1339855/PETER-HITCHENS-Our-gutless-rulers-flap-unhinged-killer--stop-100-others.html