Black Box novels

"When a mysterious former South African commando, Lucas Van Groot, begins taking wealthy hostages all over the world, it appears at first to be a typical ransom gambit. However, it soon becomes clear that his "Hostage Inc." venture is manipulating worldwide stock markets and threatening global economic collapse. Enter Black Box, the CIA's elite, secret special operations branch--so surreptitious that not even the Director of CIA is fully privy to...