Robert Ludlum

"On one evening in Washington, DC, several high-ranking members of government disappear in a mass kidnapping. Among the kidnapped is Nick Rendel, a computer software coding expert in charge of drone programming and strategy. He is the victim with the most dangerous knowledge, including confidential passwords and codes that are used to program the drones. If revealed, his kidnappers could reprogram the drones to strike targets within the United States....