In The Crosshairs Sniper Series, Book 10.

The Central Intelligence Agency is under attack, and so is its top field operative, Kyle Swanson. The highly decorated former Marine Corps gunnery sergeant is attending the funeral of a friend when a terrorist blows up the grave. A week later, he narrowly survives a grenade attack in Berlin. In Washington, Congress is being told that Swanson has been turned, his private employer is corrupt, and the Agency itself cannot be trusted. Swanson is assi...