3. When the FBI “redacts” information, or conceals information from the public view, it must also include the “exemption code” for the legal reason why the information has been redacted. In this case, the FBI claims this information has been redacted under code “b7c,” which is code for “unwarranted invasion of personal privacy.” To see a complete list of exemption codes and their meanings, go to www.paperlessarchive.com/faqs.html