But, I don't actually think you're right, anyway. Crime rates have been going down in the US and Europe, not up. It's just FUD. There's no correlation at all.
I don't think it's linked, but the US murder rate actually increased in 2016. I couldn't find European wide stats, but the UK rate has been increasing: https://www.nytimes.com/2017/07/20/world/europe/england-wale...
1999 1121
2000 1158
2001 1169
2002 1007
2003 928
2004 790
2005 720
2006 816
2007 789
2008 748
2009 729
2010 702
2011 684
2012 566
2013 603
2014 551
2015 503
2016 514It's quite clear to me, that violence in computer games doesn't make people more violent in real life. On the other hand it's possible that violent people do choose more violent games than less violent people.
Also, while we're on the subject of murdering people - easily accessible firearms do make people more likely to kill people. That's pretty low-hanging fruit right there.
It's quite frightening and raises some issues, however, that as first-person shooters evolve, we'll be desensitized to shooting more realistic humans.