Benghazi Secrets News Today

Were learning more details about last years attack on the u.s. consulate. >> much of the scrutiny has focused on the state department. were learning for the first time just how heavily involved the cia was in benghazi. something the agency has gone to great lengths to conceal. >> we have a cnn exclusive investigation. >> reporter: cnn has learned the cia is involved in what one source calls an unprecedented attempt to keep the spy agencys benghazi secrets from ever leaking out. since january som...