U.S. Marines Detain Civilian During Federal Building Guard Duty in Los Angeles
U.S. Marines temporarily detained a civilian in Los Angeles while guarding a federal building amid heightened security due to planned protests.

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Overview
U.S. Marines detained a man, Marcos Leao, for not responding to commands while guarding a federal building in Los Angeles.
Leao was held for over two hours but released without charges, affirming the Marines were acting within their authority.
The Pentagon has set rules for military engagement with civilians during domestic deployments, particularly in response to protests.
The incident occurred amid a nationwide call for protests against President Trump's military parade, with cities preparing for unrest.
Approximately 200 Marines were deployed to Los Angeles to assist National Guard members in securing federal properties during the protests.
Analysis
Emphasizes the temporary detention of a man by Marines while guarding a federal building.