100% incorrect
If you are at a checkpoint, there is no PC for the stop....
IT'S A CHECKPOINT 
You obviously do not have any education in law as part of your background. ..
You said"
A person who refuses an Officer of any branch of Law Enforcement I.D. at a checkpoint who's not suspected of committing a crime is excersing a Constitutionally protected right.
Which right is that?
Which right guarantees you don't have to identify yourself?
Thanks in advance
If you are at a checkpoint, there is no PC for the stop....


You obviously do not have any education in law as part of your background. ..
You said"
A person who refuses an Officer of any branch of Law Enforcement I.D. at a checkpoint who's not suspected of committing a crime is excersing a Constitutionally protected right.

Which right guarantees you don't have to identify yourself?
Thanks in advance
