Former cop here. The article states "You cannot lie to the police". This is, generally, incorrect. Some jurisdictions may have some specific law, but other than certain exceptions, lying has no general consequence. If it did, there would be a lot more charges against pretty much everyone who has been arrested. In my experience, people will lie about stuff that's not even relevant, or helpful to them.

Exceptions include things like giving a fake ID or name/dob or SSN to avoid certain identifications (e.g. on a traffic stop). Also, lying to a federal agent during their investigation is illegal, to my understanding. In Virginia, if you lie to the police regarding the investigation of a different person than yourself, it is considered obstruction of justice, though I can think of maybe one time that I heard of that law being used that way.

But in general, it's a good article. Assert your rights politely, but firmly. If the cop disregards it, don't try to stop them. If the cop does illegal stuff violating 4th and 5th amendment, there's a chance the case gets tossed (as it should). If you try to physically stop the 4th amendment violation, and you're wrong about it being a violation, you just made your problem worse.

Of the people who've accused me of violating their rights, 0 have been correct, but plenty of people have asserted their rights, and stopped an investigation that I had reasonable suspicion, but not probable cause on, and no further means to reasonably develop PC.