Answer:
most people take the lie to be the truth and therefore the idea of searching for the truth does not even arise.
For the one who can see the lie for what it is, the search for the truth is no longer necessary. The truth reveals itself by simply rejecting the lie. The entire search for the truth was in fact an effort of demasking of the lie masquerading as the truth.
Yes it is constitutional, the police searched his home without a warrant while he was not in the state on a suspicion that he had a meth lab in his home. They found a ghost AK-47 with bloody fingerprints in his home. That is illegal and a felony but because they searched his home with no warrant or a case being built to find that AK-47 the man had his rights to not be charged.