I suspect that very few murderers study the murder case solve rate in their local area before murdering someone they hold a grudge against. On the other hand,

I suspect that very few murderers study the murder case solve rate in their local area before murdering someone they hold a grudge against. On the other hand, if the President of a country says to kill drug dealers and addicts, quite a few people will go ahead and do that, thinking that it's now justified.