No not necessarily by any means. You can talk all around a classified file without violating secrecy.
There’s nothing Brennan would have knowledge of that wasn’t done by others within the organization and the records of all those op’s are still available to those who have access and clearance to them.
Brennan has never a field agent, he was a manager so the most he’s going to be able to do anyway is point you in the direction of someone within the organization to talk to.
