US military stationed at the border in New Mexico National Defense Area can detain illegal migrants

Military members stationed in and around portions of the southern border have been given the authority to temporarily detain and search illegal migrants. 

Service members with the Joint Task Force-Southern Border (JTF-SB) are now authorized to conduct several security measures in the New Mexico National Defense Area (NMNDA), U.S. Northern Command said Monday. The NMNDA is part of the U.S. Army’s Fort Huachuca military installation.

The move allows the U.S. military to serve in a more active law enforcement role than in years past. Military personnel have typically been prevented from participating in civilian law enforcement activities such as search, seizure, or arrest.

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As part of their new duties, the service members can search and temporarily detain trespassers on the NMNDA, as well as provide medical care and implement crowd control measures, until appropriate law enforcement can take them into custody.

Task force members can also assist with the installation of temporary barriers, signage, and fencing upon request. 

“Through these enhanced authorities, U.S. Northern Command will ensure those who illegally trespass in the New Mexico National Defense Area are handed over to Customs and Border Protection or our other law enforcement partners,” said USNORTHCOM Gen. Gregory Guillot. “Joint Task Force-Southern Border will conduct enhanced detection and monitoring, which will include vehicle and foot patrols, rotary wing, and fixed surveillance site operations.”

USNORTHCOM was named as the Defense Department’s operational lead for the employment of U.S. military forces to carry out President Donald Trump’s southern border executive orders. 

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Last week, Secretary of the Interior Doug Burgum visited New Mexico to announce that the Army will take control of nearly 110,000 acres of federal land along the U.S.-Mexico border as part of the Trump administration’s efforts to curb illegal immigration and trafficking.

The 109,651 acres of federal land will be transferred to the Army for three years, subject to valid existing rights.

The switch in jurisdiction will allow the government to protect sensitive natural and cultural resources in the region, while helping the Army support U.S. Border Patrol operations in securing the border and preventing illegal immigration, according to the Department of the Interior.

In March, the Defense Department authorized the military to patrol the southern border to provide “enhanced detection and monitoring” to support U.S. Customs and Border Protection (CBP). 

“Any law enforcement actions to apprehend individuals suspected of illegal entry must be conducted only by non-DoD law enforcement personnel and National Guard personnel in a non-federalized status accompanying these patrols,” the DOD said at the time. 

Fox News Digital’s Alexandra Koch contributed to this report.