Agents use facial recognition, social media monitoring and other tech tools not only to identify undocumented immigrants but ...

Federal immigration agencies are using a vast surveillance network in Minnesota – from facial recognition technology to ‘stingrays’ that collect data by impersonating cell phone towers.

Biometric trackers, cellphone location databases and drones are among the surveillance technologies agents are using in their immigration enforcement campaign.

Minnesota resident Nicole Cleland had her Global Entry and TSA PreCheck privileges revoked three days after an incident in ...