For decades, migrants have been riding north through Mexico aboard a freight train nicknamed "La Bestia." An NPR reporter hopped on board to ask some migrants why they do it.

Now the migration flow that is visible is of deportations and migrants boarding boats in Panama to take them south to Colombia rather than migrants riding trains north through Mexico or massing at ...

Now the migration flow that is visible is of deportations and migrants boarding boats in Panama to take them south to Colombia rather than migrants riding trains north through Mexico or massing at ...

MEXICO CITY — Venezuelan migrants handed over to Mexico like it’s a U.S. immigration detention facility. Families from Central Asia flown to Panama and Costa Rica to await voluntary ...

They all spent a frigid night riding north at 50 miles an hour. (SOUNDBITE OF MUSIC) DETROW: In Mexico, this train is called La Bestia, the beast. For decades, migrants have been riding on top of ...

MEXICO CITY — Venezuelan migrants handed over to Mexico like it’s a U.S. immigration detention facility. Families from Central Asia flown to Panama and Costa Rica to await voluntary ...