‘Trump Effect’ Wears Off as Migrants Resume Their Northward Push

The number of border crossings is on the rise as migrants and smugglers appear no longer deterred by the president’s crackdown on illegal immigration.

To Pay for Wall, Trump Would Cut Proven Border Security Measures

Experts say some measures targeted are more effective than a wall, resulting in an approach a Republican congressman called “a third-century solution to a 21st-century problem.”

Mystery in West Texas: How Did a Border Patrol Agent Die?

A month after one border agent was killed and another seriously injured, investigators still do not know if they were attacked or hurt in an accident.

Trump Administration Considers Separating Families to Combat Illegal Immigration

To address rising numbers of border crossings, officials may begin detaining parents apart from their children, a change in practice that immigrant advocates criticized as cruel.

Trump Administration Touts Border Arrests as Proof of Crackdown on Illegal Immigration

A decrease in arrests at the border shows that the administration’s deterrence efforts are effective, Homeland Security officials said.

Border Agent’s Death Highlights Growing Risk of Remote Patrols

The F.B.I. is investigating the apparent attack on two border officers in the Texas desert, which killed one and came amid a rise in assaults on agents.