Federal immigration officials had been barred from the New York City jail complex. The mayor says they can return, but only to work on criminal cases.

The Eric Adams administration is permitting ICE to return to Rikers Island to help carry out criminal investigations into organized violence and migrant gangs like MS-13 and Tren de Aragua.

Federal immigration officials will have a permanent office on New York City’s notorious Rikers Island prison under a directive from the Adams administration, which says the move will help with investigations of transnational gangs and terrorist groups.