Throughout the country, 186 subfield offices are used for shuttling immigrants. They operate as staging locations or holding areas for detainees, as an internal review commissioned by ICE describes, and are used for the vast majority of “book-ins.”
The shocking problem, as a report by The Nation illuminates, is that these sites have not been made known to the public—they are unlisted. They are largely without any signage beyond some vague reference to “service processing.” The poor conditions in these holding sites include immigrants sitting in packed cells to not having basic necessities like sanitary napkins for female detainees.
In one case last year, a mentally ill U.S. citizen was found homeless in Mexico months after disappearing into this network. Desperate family had fleeting traces of Mark Lyttle after he was transferred from a federal prison to an ICE subfield office. At subfield offices, the time and date of custody are recorded after the fact.
The unmarked network makes it difficult, it not impossible, for family and lawyers to find and access detainees. This undermines any due process that is available to immigrants. With the subfield offices out of sight, they are also out of mind versus the visible and marked federal detention facilities that civil and human rights groups can monitor.