if they are in the usa they have constitutional rights..unfortunately
it depends on the meaning of subject to the jurisdiction just like children born to illegals are citizens...are they under our jurisdiction when they or parents are citizens of another country? jurisdiction needs to be defined or redined,
https://maldef.org/truthinimmigration/undocumented_immigrants_do_have_legal3192008/index.html
this should be at top of
Trump’s list.
There should be an optional national ID card that you can show to ICE agents if arrested by local authority. If you do not have one then you must prove you are a citizen or here legally..