New York Times: A scathing report released by the Senate Intelligence Committee on Tuesday found that the Central Intelligence Agency routinely misled the White House and Congress about the information it obtained from the detention and interrogation of terrorism suspects, and that its methods were more brutal than the C.I.A. acknowledged either to Bush administration officials or to the public. Full article here.
BuzzFeed also reports that there were involvments of foreign government offcials.
Here you can find official CIA comments on Senate report.