A few statistics from what was arguably the most expensive manhunt in history.
Sources:
Most Wanted List:Â FBI
Reward:Â State Department
Cost of 9/11 attacks: 9/11 Commission (PDF)
9/11 death toll:Â The New York Times. Does not include hijackers.
Economic impact of 9/11: New York City Comptroller (PDF)
Costs of military operations: Congressional Research Service (PDF)
USÂ casualties: Department of Defense
Civilian casualties:Â United Nations Assistance Mission in Afghanistan (PDF)
Drone attacks: “The Year of the Drone,” by Peter Bergen and Katherine Tiedemann, New America Foundation
Al Qaeda members:Â “The Almanac of Al Qaeda,” by Peter Bergen and Katherine Tiedemann, New America Foundation
Aid to Pakistan:Â Congressional Research Service (PDF)
Bin Laden compound: Christian Science Monitor, Google Maps
Helicopter cost: Department of DefenseÂ
Commandos and dogs: New York Times
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Front page photo: caffeina/Flickr