 It found "no evidence" that Attorney General Holder knew about Fast and Furious before early 2011.It found no evidence that previous Attorneys General had been advised about gunwalking in Operation Wide Receiver.While the OIG report found no evidence that higher officials at the Justice Department in Washington had authorized or approved of the tactics used in the Fast and Furious investigations, it did fault 14 lower officials for related failures, including failures to take note of "red flags" uncovered by the investigation, as well as failures to follow up on information produced through Operation Fast and Furious and its predecessor, Operation Wide Receiver.