CENTRAL INTELLIGENCE AGENCY

CIA Director John Brennan apologized to Senate lawmakers in a meeting this week for watching their computer activity.

The CIA conceded it had improperly monitored computers used by the Senate Intelligence Committee in an investigation of CIA interrogation tactics and secret prisons for terrorism suspects after the Sept. 11, 2001, attacks.

The man sent more than 500 hoax letters, containing a mysterious white powder and warnings of attacks, in a span of over six years.

A recent report said Chinese hackers have gone off the beaten path to choose which U.S. government agencies to target this year.

The officials, who are knowledgeable about the details of the case, said the U.S. government believes the relationship between the German defense official and his State Department contact was a friendship.

The CIA chief in Germany is the highest-ranking U.S. intelligence figure to be expelled from Germany, but not the first.

With surveillance issues already straining relations, a double agent's arrest further threatens the alliance.

CIA Director John Brennan has asked to brief key members of the U.S. Congress on the matter, which threatens a new rupture between Washington and a close European ally, one of the officials said, according to Reuters in an exclusive report.

“We were hoping he was going to be stupid enough to get on some kind of airplane," recalls one official.

"We can neither confirm nor deny that this is our first tweet," the CIA said.

The Pentagon's estimate was 21 percent above the $119.5 billion figure announced by China.

It may just be a matter of time before a president is sworn in with his or her hand resting on a touchscreen instead of paper.

The president is promising drone transparency again. Why should anyone believe his most recent pledge?

The accidental exposure to the press corps occurred during the president's weekend visit.

The official, identified as "Chief of Station" in Kabul, was named as being among those at a briefing with Obama during his trip to the Afghan capital.

The station chief in Kabul was identified as being present at Obama's vitit to U.S. troops.

Recent statements by FBI Director James Comey reflect America's changing attitudes toward weed, even among law enforcement.

The solicitor general has given up fighting a court order to release of the memorandum.

Gen. Keith Alexander suggests Edward Snowden will only release documents that benefit Russia or improve Snowden's credibility.

"I do believe that during the Bush-Cheney administration, that Vice President Cheney set a tone and an attitude for the CIA."

The 6,300-page Senate report was based on accounts from CIA officials and detainees on whom the agency used its interrogation techniques.