The United States' swing toward President-elect Donald Trump in last week's election was pronounced along its border with ...

The Border Smuggling Crackdown Act raises federal penalties based on the number of people smuggled and severity of harm, ...

For the 26th time, the Diocese of El Paso held its annual Mass to pray for migrant deaths on the nation's deadly U.S.-Mexico ...

Local law enforcement have been warning people about the nationwide fentanyl epidemic for years, and the city of Idaho Falls ...

Experts say migrants will likely to flock to the southern border before President-elect Donald Trump takes office in January.

Donald Trump gained ground in all four counties on the Arizona-Mexico border. Here's where his margin improved the most.

His positions on the economy and illegal immigration, plus a sense that a strong leader was needed are some of the reasons.

MS. SOTOMAYOR: Hi, everybody, and welcome to Washington Post Live. I’m Marianna Sotomayor, congressional reporter at The Washington Post, and I am joined here today by Florida Congressman Carlos ...

Donald Trump's idea of imposing 200%-plus tariffs on vehicles imported from Mexico could throw the US auto industry into ...

The deaths come as cartels tighten their grip on border crossings, implementing a sophisticated wristband system to track ...

A chemical company based in China has been dissolved as its leaders are behind bars and face federal charges in connection to millions of fentanyl pills sold throughout the U.S.

Throughout his campaign, former president and now President-elect Donald Trump reiterated threats to send troops into Mexico ...