A revelatory account of the cloak-and-dagger Israeli campaign to target the finances fueling terror organizations--an effort that became the blueprint for U.S. efforts to combat threats like ISIS and drug cartels. ISIS boasted $2.4 billion of revenue in 2015, yet for too long the global war on terror overlooked financial warfare as an offensive strategy. "Harpoon," the creation of Mossad legend Meir Dagan, directed spies, soldiers,...