In a Koontz book I am reading a truth

Among the nations of Earth in all its history, ours is one of the precious few that has not brought forth its Hitler, its Stalin, its Pol Pot, its Mao Tse-tung, its Vlad the Impaler, the one who is never satisfied to have every knee bend to him but wants also to be the architect of a new world by destroying the existing one. But something is afoot. Atrocities like this, once rare but ever more frequent, would have at one time shocked the country but now seem to titillate as many people as the shock.