Next Exit, One Way. The Exit Series, #6

Someone will die. It's just a matter of time. Two terrorists are at large in Philadelphia, a traitor in Washington will stop at nothing to prevent his past from being exposed, and a master assassin is determined to make him pay for it all. Trained to be a weapon, Alina Maschik is used to danger. She's lived with it in the shadows for years. Now, forced into the open by lethal assassins with orders to kill, she has only one choice: find the traitor before they succeed.
But as she begins to peel back years of deceit, Alina is faced with choosing who she can trust, and who is not what they seem. With the nation's most iconic symbols of freedom and liberty hanging in the balance, Viper must fight to stay alive long enough to uncover the truth.or risk losing it all.