A judge ruled Wednesday that the Trump administration must facilitate the return of a 20-year-old migrant, who was deported last month, because his removal violated a class action lawsuit settled last year.

The Trump administration is preparing to deport potentially hundreds of alleged Venezuelan gang members without giving them the chance for judicial review required by the Supreme Court, lawyers representing detainees said in a court filing Friday.

Neiyerver Adrian Leon Rengel faced the same fate as hundreds of other Venezuelans men who have been deported to El Salvador based solely on tattoos the U.S. government claims indicate affiliation with the Tren de Aragua gang, even though experts say that, unlike Central American gangs, TdA does not typically use tattoos to identify its members.