The activist, associated with Extinction Rebellion, spray-painted the letters "U.S.A." over a seal bearing the name ... as he was led away in handcuffs by Secret Service agents, according to ...

Shawn Ryan served as a Navy SEAL for almost six years ... Kenneth Valentine served as a special agent in the US Secret Service for 24 years and protected three sitting presidents, Bill Clinton ...

The former FBI director later took down the Instagram post, saying he was unaware that the message could have been associated ...

The suspect, identified by authorities as Nathaniel Smith, 36, targeted the plaque located inside the Midtown Manhattan building ...