On the same day Trump ordered 1,500 troops to the Southern border to repel a non-existent “invasion,” 46 Democrats joined every House Republican in voting for the Laken Riley Act, a police state measure that requires the incarceration of undocumented immigrants simply accused of petty crimes.

President Donald Trump's promises of mass deportations, which could bring batches of new arrivals fresh off the border bridges into Juárez, has Mexican law enforcement preparing to keep watch for potential trouble.

With President Trump back in office, Mexico's President Sheinbaum braces for strained relations. U.S. public support for hardline policies targeting Mexico is on the rise, and looming energy reforms and trade negotiations add to the challenges.