NSA Could Hold Key to Cold War Mystery
What happened to Dag Hammarskjold?
By Newsy, a Newser Video Partner
Posted Sep 9, 2013 11:29 AM CDT

(Newser) – In 1961, a plane crash killed the United Nations' secretary-general, Dag Hammarskjold. The accident has long been considered one of the biggest mysteries out of the Cold War. But now—in a fascinating twist—the US National Security Agency could have information about the cause of that crash.