They kinda go together = strong gun control = less mass shootings
Prior to 1920 Britain had virtually zero gun laws - if you wanted a belt fed machinegun, you could buy one and keep it in the livingroom. Britain had the world's largest gun manufacturing industry and it had zero mass public shootings.
There have been various attempts to estimate the number of unlicensed firearms currently in Britain, all have come up with more unlicensed that licensed. some figures for western europe as a whole suggest 79% are un licenced: a ratio of 4:1 !!!!
owning an unlicensed gun in Britain is a crime - hence by definition, only criminals own unlicensed guns
All of the mass shootings were perpetrated by people who had passed through all of the police checks
although the number of mass shootings in Britain has been incredibly small - that available data suggests that people passing through all of the British police checks actually present the greater threat.
It is hardly evidence of gun controls having a positive effect.
In terms of homicide - the united state has a homicide rate, If it looks like a homicide, that's what it gets booked down as (no seperate figures are kept for homicides by cops).
Britain has a "murder rate", which requires someone to be caught, and to be convicted of "murder" and to appeal and lose the appeal. At that point, if anyone is still paying attention, it gets booked down as a "murder" for the year that the process is completed.
I don't know what proportion of British "homicides" get counted as "murders" , I have not found any estimates. I would be surprised if it is as high as 10%.
If we assume as high as 10%, that puts the England and Wales (Scotland typically has twice the "murder rate" per 100,000 population per year) roughly on level pegging with the united state homicide rate.
again, hardly evidence of a benefit from draconian gun bans.
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just to put some figures out there,
There are estimated to be around 67 million illegally held firearms in Western Europe. 79% of the total firearms are estimated to be illegally held
Ref:
http://ec.europa.eu/dgs/home-affair...me_-_illicit_fireams_trafficking_final_en.pdf