PRI's The World Published by PRI's The World The United Nations heads to North Dakota to investigate possible human rights abuses Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/679824/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Police have made mass arrests and used pepper spray, riot gear and armored vehicles to stop the protests. Now, the United Nations is looking into possible human rights abuses.