If the methods were still in use, they might be, even if the agents were not. For example, that secret ink they give as an example might still be in use. That

If the methods were still in use, they might be, even if the agents were not. For example, that secret ink they give as an example might still be in use. That said, there's plenty of reason to believe that some of the things they're still withholding are nonsense.