Reasons for redaction are intriguing, heres what i could find on foia codes. There is a lot of 7c3s and b3-2s in there.

Exemption (b)(3) Information protected by statute

(b)(3)-1 Federal grand jury information, prohibited from disclosure by Rule 6(e) of the Federal Rules of Criminal Procedure

(b)(3)-2 Intelligence sources and methods, prohibited from disclosure by the National Security Act of 1947, 50 U.S.C. § 3024(i)(1)

Exemption (b)(5) Information withheld pursuant to the deliberative process privilege

(b)(5)-1 Deliberations about application of law to specific factual scenarios

(b)(5)-2 Deliberations about charging decisions not to prosecute

Exemption (b)(7)(A) Pending law enforcement proceedings

Exemption (b)(7)(B) Information which would deprive a person of a right to a fair trial or impartial adjudication

Exemptions (b)(6) and (b)(7)(C) Unwarranted invasions of personal privacy

(b)(6)/(b)(7)(C)-1 Names, social media account information, and other contact information of unwitting third parties

(b)(6)/(b)(7)(C)-2 Names and personally-identifiable information about individuals not charged by the SCO (special council office)

(b)(6)/(b)(7)(C)-3 Information concerning a subject of the investigation by the SCO

(b)(6)/(b)(7)(C)-4 Names, social media account information, contact information, and other personally-identifiable information of individuals merely mentioned in the Report

Exemption (b)(7)(E) Investigative techniques and procedures.

(b)(7)(E)-1 Information that would reveal techniques authorized for and used in national security investigations

(b)(7)(E)-2 Details about techniques and procedures that would reveal investigative focus and scope, and circumstances, methods and fruits of investigative operations

1 Redactions made pursuant to FOIA Exemptions (7)(A) and (7)(B) have not been divided into coded