I have a CCW permit but took my jacket off in my warm truck after my last stop. There is no prohibition against open carry. The picture in the video is me, wearing the same clothes and holster and pistol earlier in the day. On the opposite side of the belt was a spare magazine.
I have not seen the blood test. I tried to issue a subpoena but the court wouldn't let me. I have little to worry about regarding its contents, as I last consumed alcohol in August, but I am worried the test and/or the blood samples will mysteriously disappear. (Arresting or proceeding against an innocent person is a crime in this state.)
BTW, I'm not young and I'm not a hippie.
FYI, an administrative roadblock is defined by state statute NRS 484B.570.
What are the requirements at a roadblock in this state? You must stop at the traffic control device. However, I was stopped by hand signal prior to the traffic control device (stop sign). When you are stopped you are detained and not free to go. It is a per se fourth amendment seizure. However, you have the right to remain silent. You must follow only lawful orders. Anything else is a request, invitation, or threat.
The police detaining you have no lawful authority without a warrant, probable cause to arrest, or reasonable, articulable suspicion of a crime. Once they have RAS, even for something as simple as a non-functioning license plate lamp, they have the authority to order you to roll down your window, order you out of the car, etc. or face some kind of obstruction charge.