28 C.F.R. § 802.4
(b) An Agency record will be released in response to a written request, unless a valid legal exemption and/or exclusion to disclosure is asserted.
(1) Any applicable exemption and/or exclusion to disclosure, which is provided under the FOIA in 5 U.S.C. 552, may be asserted. The applicable exemptions and/or exclusions to disclosure are as follows:
(i) Exclusions.
(ii) Exemptions.
(E) Privileged communications within or between agencies, including:
(1) Deliberative process privilege;
(2) Attorney-work product privilege; and
(3) Attorney-client privilege.
(G) Information compiled for law enforcement purposes that:
(1) Could reasonably be expected to interfere with enforcement proceedings.
(2) Would deprive a person of a right to a fair trial or an impartial adjudication.
(3) Could reasonably be expected to constitute an unwarranted invasion of personal privacy.
(4) Could reasonably be expected to disclose the identity of a confidential source.
(5) Would disclose techniques and procedures for law enforcement investigations or prosecutions.
(6) Could reasonably be expected to endanger the life or physical safety of any individual.