Traitor by David Hagberg

Traitor is the final, explosive adventure in the thrilling Kirk McGarvey series from New York Times bestselling author David Hagberg-perfect for fans of Jason Bourne!
When McGarvey's best friend, Otto, is charged with treason, Mac and his wife, Petey, set out on a desperate odyssey to clear Otto's name. Crossing oceans and continents, their journey will take them from Japan to the US to Pakistan to Russia. Caught in a Kremlin crossfire between two warring intel agencies, Mac and Petey must fight for their lives every step of the way.
And the stakes could not be higher.