Pretty sure he will just disappear never to be heard of again.
Check it out:

Seventeen-year-old Cristian stepped through the swinging wooden door separating the crowded waiting area from the judge’s bench, straightening his slightly-too-big dress shirt as he slid behind the defendant’s desk. As his lawyer took the seat beside him, Cristian slipped on the court-provided headphones so he could hear the Spanish-speaking translator as his lawyer began to speak.

After a few pleasantries, Cristian’s lawyer told Immigration Judge John M. Bryant that his client conceded to the charge of being an undocumented alien in the United States and was subject to potential removal. Cristian wanted to plead for asylum for “protection from torture,” and “declined to state his country of removal at this time,” the lawyer added.