Once upon a time, most Americans had never even heard of "flash mob robberies" or "organized looting". Now they are considered to be a part of normal life in America.
The sad truth is that the streets of America are changing. They are becoming a lot more hostile and a lot more dangerous.
The linked article contains other examples of the rapidly deteriorating situation in America (it's the same in the rest of the Western World).
Of course the writer of that article is perplexed as to the cause of it all, finding fault in the moral shortcomings of "today's young people". Which, if you've followed these types of disturbing stories for very long, is code for non-Whites.
The problem is that once you accepts the premise of diversity and equality you must lower the standards all around to accommodate the "change". There can no longer be a standard, in fact, as standards are racist.
So long as the ideology of equality is embraced the Western world will continue to spiral into an ever deepening abyss.