U.S. Border Security

Tucson is joining Pima County as an impartial adviser in a lawsuit aimed at curbing construction of the border wall in three Arizona preserves.

Buying a .50-caliber rifle — a weapon that can shoot bullets that can pierce armor or down helicopters — is relatively easy in Arizona and elsewhere, said Monique Villegas, special agent in charge of the Phoenix ATF office. Two Tucson residents did that on several occasions, court records indicate.

Mexican security forces on Sunday killed seven more members of a presumed cartel assault force that rolled into a town near the Texas border and staged an hour-long attack, officials said, putting the overall death toll at 20.

Thanksgiving arrived with a sense of loss, but also a sense of solidarity, in enclaves of U.S. dual-national families in northern Mexico, coming almost four weeks after nine of their relatives were slaughtered by drug cartel gunmen.

A report says the U.S. government didn't have the technology needed in 2018 to properly document and track thousands of immigrant families separated at the southern border.

BorderPatrol agents arrested a U.S. citizen for smuggling three people near Nogales and this was her second human smuggling related arrest in seven months.

U.S. Customs and Border Protection officials say the arrests stemmed from a concerned citizen's tip about suspicious activity.

The Border Patrol says agents foiled an attempted human smuggling event that started in California and ended in Yuma, resulting in the arrests of five people.

No baloney: U.S. Customs and Border Protection says bologna can’t be carried across the border because it could introduce foreign animal diseases to the domestic pork industry.

Matthew Bowen’s case drew widespread attention after his text messages calling migrants “savages” and “subhuman,” were included in a court filing.

An activist was quickly acquitted Wednesday on charges he illegally harbored two Central American immigrants at a southern Arizona camp operated by a humanitarian group.

An Arizona border activist testified Tuesday that neutrality guides his humanitarian work with migrants in the desert, denying that he has ever helped them hide or told them how to avoid U.S. Border Patrol agents.

Authorities in Mexico say three men have been shot dead at an auto shop in San Luis Rio Colorado, across the border from Yuma, Arizona.

The U.S. Border Patrol says an agent shot and wounded a Russian man suspected of crossing the border illegally in Arizona.

A convicted sex offender who was previously deported has been arrested in Southern Arizona.

A group that is digging up bodies in the Rocky Point area say they are being warned by armed men to stop their efforts. FOX 10's Linda Williams reports.

President Trump’s senior adviser Jared Kushner and other White House officials are planning to set up web cameras to livestream construction along the border wall, according to a report.