A behind-the-scenes battle between the CIA and Congress erupted in public view Tuesday as the head of the Senate Intelligence Committee accused the agency of breaking laws and breaching constitutional principles in an alleged effort to undermine the panel’s multi-year investigation of a controversial interrogation program.

Sen. Dianne Feinstein (D-Calif.) accused the CIA of secretly removing documents, searching committee-used computers and attempting to intimidate Congressional investigators by requesting an FBI probe of their conduct — charges that CIA Director John O. Brennan disputed vigorously within hours of Feinstein’s extraordinary appearance on the Senate floor.

MORE: http://www.washingtonpost.com/world/national-security/feinstein-cia-searched-intelligence-committee-computers/2014/03/11/982cbc2c-a923-11e3-8599-ce7295b6851c_story.html