Reuters reports that a computer used by Paula Broadwell, whose affair with CIA chief David Petraeus led to his resignation, "contained substantial classified information that should have been stored under more secure conditions," according to law enforcement and national security sources. "The contents of the classified material and how Broadwell acquired it remain under investigation, the officials said. They spoke on condition of anonymity because they are not authorized to comment publicly. But the quantity of classified material found on the computer was significant enough to warrant a continuing investigation." Read more: Reuters.