You mean this constitutional liberty?
... And the following link addresses the legality of unconstitutional laws, PROVING that aliens from mexico are NOT "Illegal criminals"...
.... Yes, you have been lied to by your gov't sponsored "education".
Restricting a person's ability to cross national borders has been illegal for at least 800 YEARS, LMAO!!!!!!!!! Every anit-immigration law since then is actual no law at all, per our very own G(ang)OV'T(heives).
"I do not add 'within the limits of the law,' because law is often but the tyrant's will, and always so when it violates the right of an individual."