Inquiry by C.I.A. Affirms It Spied on Senate Panel (New York Times)

WASHINGTON — An internal investigation by the C.I.A. has found that its officers penetrated a computer network used by the Senate Intelligence Committee in preparing its damning report on the C.I.A.’s detention and interrogation program.

https://www.nytimes.com/2014/08/01/world/senate-intelligence-commitee-cia-interrogation-report.html