Bin Laden file-drop reveals new info on al Qaeda, Iran

Osama bin Laden, left, and his top lieutenant Egyptian Ayman al-Zawahri, right. Photo: Al Jazeera / AP

The CIA dropped around 470,000 files taken from the Abbottabad compound where Osama bin Laden was killed in 2011, including documents, videos, audio files, and more.

Why it matters: According to the Foundation for the Defense of Democracies (FDD), the new files could help explain "how al Qaeda groomed supporters everywhere from West Africa to South Asia." House Intelligence Committee Chairman Rep. Devin Nunes said in March that the records are important for historians to study the terrorist group.

What's in them, per the FDD: