What acting ICE Director Todd Lyons called the “largest immigration enforcement operation ever” continues to unfold in Minnesota. And we are learning about the tools federal law enforcement agents use to track the people they're trying to arrest, as well as protesters.

ICE recently purchased two programs called Tangles and Webloc, which are used to track the cell phone activity of entire neighborhoods and monitor people over social media and through internet data, according to reporting by 404 Media. 404 Media journalist Joseph Cox joined MPR News host Nina Moini with insight on those tools and how they’re used to track people.