This receipt for groceries, which includes prices paid for tomatoes, onions, charcoal, meat and a light bulb, was retrieved from a building occupied by al-Qaida's North African branch in Timbuktu, Mali. /AP hide caption

itoggle caption /AP

Warren Weinstein, who was kidnapped in Pakistan in August 2011, in a video sent to news outlets by al-Qaida's media wing. The Associated Press hide caption

itoggle caption The Associated Press

An Afghan man rides a horse at sunset on Nadir Khan hill in Kabul, Afghanistan. Auliya Atrafi paid thousands of dollars and risked his life to escape the Taliban-controlled country, only to return after 12 years living in England. Rahmat Gul/AP hide caption

itoggle caption Rahmat Gul/AP

Libyan Prime Minister Ali Zeidan speaks to the media during a news conference in Rabat, Morocco, on Tuesday, where he talked about the U.S. action to nab an al-Qaida operative in Tripoli. Abdeljalil Bounhar/AP hide caption

itoggle caption Abdeljalil Bounhar/AP

Kenyans watch Monday as a plume of black smoke rises over the Westgate Mall, scene of a terrorist attack that left more than 60 dead. Kenya is a crossroads in East Africa, has many links to the West and has sent troops into Somalia. For all these reasons, the country was targeted by Somalia's al-Shabab militia group. Ben Curtis/AP hide caption

itoggle caption Ben Curtis/AP

A Yemeni soldier stands guard Tuesday near Sanaa International Airport. Mohammed Huwais /AFP/Getty Images hide caption

itoggle caption Mohammed Huwais /AFP/Getty Images