Exclusive: US Marines carry out first known detention of civilian in Los Angeles, video shows

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  • Marines temporarily detained civilian at Wilshire Federal Building
  • Troops authorized to detain threats to federal personnel or property
  • Posse Comitatus Act limits military's role in civilian law enforcement
LOS ANGELES/WASHINGTON, June 13 (Reuters) - Marines deployed to Los Angeles temporarily detained a civilian on Friday, the U.S. military confirmed after being presented with Reuters images, in the first known detention by active-duty troops deployed there by President Donald Trump.
The incident took place at the Wilshire Federal Building in Los Angeles where Marines took charge of the mission to protect the building earlier on Friday, in a rare domestic use of U.S. troops after days of protests over immigration raids.

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Reuters images showed Marines apprehending the man, restraining his hands with zip ties and then handing him over to civilians from the Department of Homeland Security.
Asked about the incident, the U.S. military's Northern Command spokesperson said active duty forces "may temporarily detain an individual in specific circumstances."
"Any temporary detention ends immediately when the individual(s) can be safely transferred to the custody of appropriate civilian law enforcement personnel," a spokesperson said.
Speaking to reporters after he was released, the civilian identified himself as Marcos Leao, 27. Leao said he was an Army veteran on his way to an office of the Department of Veterans Affairs when he crossed a yellow tape boundary and was asked to stop.
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Item 1 of 3 U.S. Marines detain a person outside the Wilshire Federal Building after Marines were deployed to Los Angeles, as protests against federal immigration sweeps continue, in Los Angeles, California, U.S. June 13, 2025. REUTERS/Aude Guerrucci
[1/3]U.S. Marines detain a person outside the Wilshire Federal Building after Marines were deployed to Los Angeles, as protests against federal immigration sweeps continue, in Los Angeles, California, U.S. June 13, 2025. REUTERS/Aude Guerrucci Purchase Licensing Rights, opens new tab
Leao, who gained his U.S. citizenship through military service, said he was treated "very fairly."
"They're just doing their job," said Leao, who is of Angolan and Portuguese descent.
The 200 Marines and more than 2,000 National Guard now deployed to Los Angeles are tasked with protecting federal property and federal personnel. They will be joined by an additional 500 Marines and 2,000 more National Guard soldiers.
This means that they will accompany ICE agents on raids, officials have said.
The troops are authorized to detain people who pose a threat to federal personnel or property, but only until police can arrest them. Military officials are not allowed to carry out arrests themselves.
The Posse Comitatus Act generally forbids the U.S. military, including the National Guard, from taking part in civilian law enforcement.
Trump could take a more far-reaching step by invoking the Insurrection Act, which would allow troops to directly participate in civilian law enforcement.

Reporting by Omar Younis, Phil Stewart, Idrees Ali; Editing by Leslie Adler and Sandra Maler

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Thomson Reuters

Phil Stewart has reported from more than 60 countries, including Afghanistan, Ukraine, Syria, Iraq, Pakistan, Russia, Saudi Arabia, China and South Sudan. An award-winning Washington-based national security reporter, Phil has appeared on NPR, PBS NewsHour, Fox News and other programs and moderated national security events, including at the Reagan National Defense Forum and the German Marshall Fund. He is a recipient of the Edwin M. Hood Award for Diplomatic Correspondence and the Joe Galloway Award.

Thomson Reuters

National security correspondent focusing on the Pentagon in Washington D.C. Reports on U.S. military activity and operations throughout the world and the impact that they have. Has reported from over two dozen countries to include Iraq, Afghanistan, and much of the Middle East, Asia and Europe. From Karachi, Pakistan.

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