Sadly, these morons/Darwin possibles, are rampant, especially in Overtown. An established ghetto and not part of the tourist package.
You can see the decades of Northeastern Democrat influence, combined with the wet foot/dry foot hispanics and see the "blue" in the city and burbs...Dade is broke, Miami is deficit spending, and recently had the Mayor recalled, and than of course, there is

They are everywhere.