[Griff]

In the absence of Federal guidelines, North Dakota does the responsible thing.

http://blog.tenthamendmentcenter.com...a-house-60-31/

Except as provided in section 3 of this Act, a law enforcement agency may not use an unmanned aircraft for surveillance of a person within the state or for the surveillance of personal or business property located within the borders of the state to gather evidence or other information pertaining to criminal conduct, or conduct in violation of a statute or regulation except to the extent authorized in a warrant issued by a court which satisfies the requirements of the Constitution of North Dakota.