Robert Ludlum's The Treadstone Exile

Former Treadstone Operative Adam Hayes finds himself at the center of a web of warring factions and high-level secrets in the second novel in the Treadstone series, the newest addition to the Robert Ludlum universe.
After the revival of Operation Treadstone, former agent Adam Hayes has retreated to Africa, determined to leave the black-ops CIA program behind for good. As a former Treadstone operative, Hayes knows just how destructive the program can be, as it turns government agents into nearly superhuman assassins. But his quiet life in Africa changes irrevocably when, while attempting to complete a charitable mission in Burkina Faso, Hayes is attacked by extremists. Forced to make an unexpected landing, his plane is damaged and he is left in a hornet's nest of trouble.
In order to get back in the air, Hayes agrees to transport a passenger--Zoe Cabot, the daughter