The 26-year-old man may have been radicalized by the Islamic State.
Newly disclosed letters from the al-Qaeda leader suggest he was deeply frustrated with his isolation in Abbottabad.
Critics want information on all drone strikes for which strong evidence exists that civilians were killed.
Adam Gadahn was a well-known figure in al-Qaeda before his death in a drone strike on Pakistan’s border.
A Republican-sponsored bill could halt transfers of prisoners to the United States or other countries.
The tech firm turned over the e-mails of WikiLeaks staffers after receiving search warrants from the U.S.
With strict security in place, inmates considered the most dangerous spoke briefly with relatives.
The report says the CIA exaggerated the role of harsh interrogation; the agency defends its account.
A Senate probe of the agency’s secret interrogations after 9/11 alleges the use of unapproved practices and dishonesty with the White House and Congress.
The publicly released version of Senate Intelligence Committee’s report on the CIA detention program refers to the agency’s post-Sept.11 “black sites” as color-themed codes.