After federal immigration agents sent Maria Luis back to Guatemala, her kids went into the Nebraska foster system. It took her five years to get them back.
Rosa Maria Hernandez, who came illegally to the U.S. from Mexico when she was 3 months old, was being transferred between hospitals in Texas when the ambulance was stopped by federal officers.
Recent postings by the agency show its interest in sites near Chicago, Detroit, San Antonio, Salt Lake City and St. Paul, Minn., that could accommodate thousands of detainees.
The practice known as "ICE detainers" allowed state officers to detain immigrants who would otherwise be free to leave, in order to give federal immigration authorities a longer look at their status.
Thousands of immigrants across the country are unsure what to expect when they report for required check-ins with ICE. Some have been detained on the spot, leading to widespread fear and stress.
The federal government is issuing weekly reports that name sheriffs it says aren't cooperating with federal immigration law enforcement. Many sheriffs say what they're being asked to do is illegal.
The Trump administration has ratcheted up pressure on sanctuary jurisdictions by publicizing the first weekly list of cities and counties that have ignored federal requests for cooperation.