Relentless (Gray Man 10) by Mark Greaney

Relentless is a word that can easily describe both the protagonist and the author who brings him to life on the page.
In his 10th Gray Man novel, MARK GREANEY does not disappoint and has crafted another high paced, actioned pack thriller that keep readers engrossed in the increasingly dire circumstances Court Gentry and his team finds themselves in.
RELENTLESS takes us from the outskirts of Caracas to the very heart of power in Germany, with stops across the Middle East.
Still recovering in a CIA hospital bed, the Gray Man is sent out by his handlers to track down a former NSA employee who made off with an all powerful facial recognition program capable of outing any and all U.S. intelligence officers. From there things only get more complex and dangerous, both physically and emotionally, as a variety of intelligence services and their shooters see shifting alliances change from moment to moment. Just when you think you have it sorted out, Greaney fires a plot twist that will have you scrambling to identify the real danger.
The only way the Poison Apple team will survive is to band together and continue to track down their targets and unravel the parties responsible. All that matters is the end result. They cannot let exhaustion, illness, or wounds stop them from achieving their goals. In other words, they must be...
RELENTLESS