You specifically claimed the SCOTUS said the following:
“SCOTUS said the child was not deported”
Again where did the SCOTUS say the child was not deported.
In the 1930s, 1940s and 1950s the United States deported trainloads, busloads, and shiploads of illegal aliens. Operation Wetback, ordered by President Eisenhower in 1954, charged the Immigration and Naturalization Service (INS) with deporting a million illegal aliens: men and women and their American-born minor children. Government agents did it then, and the 14th Amendment to the Constitution does not prevent them from doing it today.
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Senator Howard said, in May of 1868, that the Constitution as now amended, forever withholds the right of citizenship in the case of accidental birth of a child belonging to foreign parents with the limits of the country.
link to Daily Caller editorial
I am not too pigheaded to admit an error (unlike some). The statement was from the government case for denial, which I did not realize at first. However, SCOTUS accepted the government case and denied the writ.
Further, I found cases going back to the 1970's (I stopped there, probably goes further back) where court after court acknowledged the citizenship and citizenship rights of the child. In these cases the court said the citizenship of a relative does not affect deportation of the alien, and pointed out the child was free to return at some point. And as ydoucare pointed out, often these children DO stay, in custody of a nonparent relative.
This thread started maintaining "The law has treated these children of aliens as foreigners who needed to be sent back to their native country."Do you still maintain that is the law?