The British government is being grilled by lawmakers in London seeking clarification of the UK's role in the NSA's global surveillance programs. One accusation is that British citizens are being unlawfully spied upon.
A nuclear scientist is killed after a suspected bomb exploded in a car in northern Tehran, the latest in a string of such nuclear-linked attacks.
Mostafa Ahmadi Roshan, an Iranian nuclear scientist, was assassinated in Iran on Wednesday, the latest sign of a covert campaign to subvert Iran's nuclear ambitions. Meanwhile, the Doomsday Clock has moved a minute closer to midnight.
A contingent of 1,000 U.S. law enforcement officers, including 500 FBI agents, are expected to deploy to London next year to protect American athletes during the 2012 Olympic games.
US troops located Osama Bin Laden in Afghanistan soon after 9/11. How was he able to evade them?
BBC Security Correspondent, Gordon Corera, followed a secret convoy transporting spent fuel from a poorly secured reactor in Serbia to Russia. It's part of a larger effort to remove nuclear material in insecure locations.
The US and allied governments are tightening their scrutiny of air cargo and shipped packages. The BBC's Security Correspondent Gordon Corera joins us from London.
Anchor Lisa Mullins talks with BBC security correspondent Gordon Corera about a BBC radio series looking at the history of MI6, Britain's Secret Intelligence Service.