The U.S. crackdown on drug trafficking at the border with Mexico has triggered an increase in criminal activity coming across ...

Add Yahoo as a preferred source to see more of our stories on Google. Military leaders say drones from Mexican cartels regularly fly over US troops at the US-Mexico border. "Hundreds" of counter-drone ...

The US military is using the southern border as a testing ground for counter-drone technology as cartel surveillance flights increasingly threaten troops and federal law enforcement officials ...