CIA Director John O. Brennan speaks at the Council on Foreign Relations, Tuesday, March 11, 2014, in Washington. The head of the Senate Intelligence Committee said Tuesday the CIA improperly searched a stand-alone computer network established for Congress in its investigation of allegations of CIA abuse in a Bush-era detention and interrogation program and the agency's own inspector general has referred the matter to the Justice Department for possible legal action. (AP Photo/Carolyn Kaster)
CIA Director John O. Brennan speaks at the Council on Foreign Relations, Tuesday, March 11, 2014, in Washington. The head of the Senate Intelligence Committee said Tuesday the CIA improperly searched a stand-alone computer network established for Congress in its investigation of allegations of CIA abuse in a Bush-era detention and interrogation program and the agency's own inspector general has referred the matter to the Justice Department for possible legal action. (AP Photo/Carolyn Kaster)
Senate Judiciary Committee Chairman Sen. Patrick Leahy, D-Vt. leaves the Senate chamber on Capitol Hill in Washington, Tuesday, March 11, 2014, after speaking in support of Senate Intelligence Committee Chair Sen. Dianne Feinstein, D-Calif., who accused the CIA of undermining congressional oversight and the separation of powers under the Constitution. (AP Photo/J. Scott Applewhite)
Senate Intelligence Committee Chair Sen. Dianne Feinstein, D-Calif. leaves the Senate chamber on Capitol Hill in Washington, Tuesday, March 11, 2014, after saying that the CIA's improper search of a stand-alone computer network established for Congress has been referred to the Justice Department. The issue stems from the investigation into allegations of CIA abuse in a Bush-era detention and interrogation program. (AP Photo/J. Scott Applewhite)
Senate Intelligence Committee Chair Sen. Dianne Feinstein, D-Calif. talks to reporters as she leaves the Senate chamber on Capitol Hill in Washington, Tuesday, March 11, 2014, after saying that the CIA's improper search of a stand-alone computer network established for Congress has been referred to the Justice Department. The issue stems from the investigation into allegations of CIA abuse in a Bush-era detention and interrogation program. (AP Photo/J. Scott Applewhite)
Sen. Dianne Feinstein, D-Calif., chair of the Senate Intelligence Committee, leaves the chamber at the Capitol in Washington, Wednesday, March 5, 2014. The CIA is investigating whether its officers improperly monitored members of the Senate Intelligence Committee, which oversees the intelligence agency, U.S. officials confirmed Wednesday. Feinstein told reporters that the CIA inspector general is investigating how her committee investigated allegations of CIA abuse in a Bush-era detention and interrogation program. (AP Photo/J. Scott Applewhite)
A sign that says "We do not serve FBI and CIA agents," hangs outside a restaurant on the opening day of the 2014 Winter Olympics, Friday, Feb. 7, 2014, in Krasnaya Polyana, Russia. (AP Photo/Jae C. Hong)