A 26-year-old man from Mexico has pleaded guilty to assaulting two U.S. Border Patrol agents last year on the Tohono O'odham Nation, authorities announced Monday.

Police pursuit of a person suspected in a carjacking Wednesday ended in a crash involving multiple vehicles at a U.S. Border Patrol checkpoint outside Huachuca City on State Route 90, according to police.

An Arizona rancher accused of shooting at a group of migrants on his property near the U.S.-Mexico border, killing one man, will face trial on charges including second-degree murder and aggravated assault, a judge ruled.

A new U.S. Supreme Court ruling likely slams the door on the ability of the family of a teen killed by a Border Patrol agent in Nogales to sue him and, by extension, the federal government.

In his parting words before retirement, the director of Arizona’s prisons gave a dire warning to the governor about the crisis felt at prisons across the state.

A former Border Patrol agent broke down in tears as he described desperately trying to save the life of a colleague who was shot during a firefight that exposed the bungled federal gun operation known as Fast and Furious.

The U.S. Border Patrol does not go far enough to protect Southwestern ranchers from smugglers and others who cross the Mexican border illegally, the business owners said Wednesday during a conference of border sheriffs in Arizona.

A lawyer for the government is urging a federal judge not to punish the Border Patrol for recording over videotapes of conditions at several Arizona detention centers.

Border Patrol has been destroying “critical evidence” of conditions at holding areas despite a lawsuit calling them inhumane, lawyers for migrants are charging.

A Border Patrol official who was removed from his position in June is accusing the agency of covering up "highly suspect" deaths in clashes along the southern border.