No law, except 14th A, SCOTUS decision Afrorim v. Rusk (1967), Vance v. Terrazas (1980)
These rulings established that the government cannot strip citizenship unless the individual voluntarily gives it up.
But as you know quite often the government ignores the law and you have to sue them in court to uphold the law.
ChatGPT:
While the law protects citizens from removal, there have been documented instances of U.S. citizens being mistakenly detained or deported, often due to errors in immigration enforcement. For example, over 4,000 U.S. citizens were wrongfully caught in the immigration system in 2010 alone.
Obama was president then, mmmkay.
I'm no Trump supporter, but this is more about the camera on GOP TV than reality.