Know your rights! -4th of July DUI Checkpoint <iframe width="560" height="315" src="//www.youtube.com/embed/w-WMn_zHCVo" frameborder="0" allowfullscreen></iframe> DHS checkpoint refusals . <iframe width="560" height="315" src="//www.youtube.com/embed/u4Ku17CqdZg" frameborder="0" allowfullscreen></iframe> If these has been posted before, it may worth a second look, either way enjoy. What would you do? Will you assert your rights or follow?