Illegal-aliens are citizens of another country and are "subject to the jurisdiction" of their own home country !
Just because illegal-alien-invaders-trespassers, or with overstayed visas can be arrested-detained doesn't mean that they are,
"subject to the jurisdiction of the USA" as it was referring to in the 14th amdt Citizenship Clause, meaning "full jurisdiction."
Subject to the jurisdiction of the; USA, state, city, town, means that you are a legal citizen with "full rights and responsibilities"
Illegal-aliens are foreign-nationals !
They have "limited rights and responsibilities" while unlawfully entering and remaining in the USA, without legal-authorization-permission.
They are hordes of illegal-alien-invaders-infiltrators !