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

  Marines deployed to Los Angeles carried out the detention of 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. Marines deployed to Los Angeles carried out the detention of 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.