A lack of trust and the whack-a-mole nature of stamping out the chemicals used to make the drug help explain why the war against fentanyl has been so intractable.

Trump claimed illegal immigration at the US-Mexico border hit historic lows in February, his first full month in office, ...

Vicente Gonzalez, who represents Brownsville, Texas, said the president wants to come back to the border for another visit Thursday's trip marked Biden's second to the U.S.-Mexico border Border agents ...

During the Biden administration, Mexico faced a critical challenge at its northern border, ignoring security concerns and the demands of its largest trading partner, the United States. Since Donald ...