Veteran Secret Service agent Pete Garrison investigates a colleague's murder and is subsequently framed as a mole in an assassination attempt on the President due to the machinations of a blackmailer who knows the secret he is hiding. Disgraced, dismissed, and now a fugitive with two relentless federal investigators hot on his heels, Garrison must both clear his name and save the president from assassination.
The Sentinel is a 2006 American political action thriller film directed by Clark Johnson about a veteran United States Secret Service special agent who is suspected of treason after an attempted assassination of the president reveals that someone within the Service is supplying information to the assassins.
