Nice to see the voice of reason.
Murders per 100,000 population in the 2000s
link
USA 5.4
UK 1.1
People in prison per 100,000 population 2003 (latest I could find)
link
USA 701
UK 141
Obviously, the deterrent effect in action.
btw, it would have been hard for
Kenny Richey to fly back to the UK if he had been executed.