This military action involved the local units guarding the border town of Nogales, Arizona, writes Joe Blackstock.

"want to have the border completely secure," Sean McGoffin, chief patrol agent of the Border Patrol's Tucson Sector, said.

The U.S. government is ending a more than century-old friendly arrangement on the Canadian border as the two countries feud.

New: Spy sats join border effort. The National Geospatial-Intelligence Agency told Reuters that it now has a task force to coordinate its "support to the U.S. border mission," while the National ...

Border Patrol agents have shifted back to their national security mission as a result of the White House's success ...