So after recent high profile events,Salisbury and Turkey,countries know that they can send their 'People' to dish out their forms of justice without fear of any significant retribution.It also helps if you happen to have a £100 billion arms deal...
Unstable Countries with Nuclear Weapons ( don't upset them ) Can't make a song & Dance about that ...... so how about Money makes the Crime go around ... of that you can be sure, it's a rich mans World.
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Whereas a rich man is merely "quirky"
https://edition.cnn.com/2019/06/19/middleeast/khashoggi-saudi-arabia-report-intl/index.html
https://www.bbc.co.uk/news/world-europe-48691488