This problem with "knockouts" has been going on for years and get very little mention in the media due to the influence of political correctness. All the more reason to have a carry permit and to watch out for yourself when traveling alone anywhere, but especially in certain areas of the country.
...In St. Louis they call it the Knockout Game. In Illinois, Polar Bear Hunting.Regardless of what DeAndre in Meriden, Conn., called it, the rules are the same all over: Find a person who looks defenseless. Then punch him. Or kick him until you get tired or he is knocked out. Or worse. Game over.
Black mob picks on ‘The Wrong Guy’