Lookups spiked on July 29, 2014.
The CIA admitted that it had spied on the Senate Intelligence Committee's investigation into CIA use of torture. Senator Diane Feinstein has accused the CIA of attempting to intimidate Senate investigators and obstruct a forthcoming report on the use of torture, a report that will include redacted declassified documents.
Redact means "to obscure or remove (text) from a document prior to publication or release." It comes from the Latin word that means "reduced."