seal of court. (2) The Review Board may request the Attorney General to petition any court in the United States to release any information relevant to Civil Rights related cold cases that is held under the injunction of secrecy of a grand jury. (3) A request for disclosure of Civil Rights cold case materials under this Act shall be deemed to constitute a showing of particularized need under Rule 6 of the Federal Rules of Criminal Procedure. (4) The Attorney General shall comply with any request made subject to provisions of the section within 45 days. (b) Cooperation with agencies It is the sense of Congress that— (1) the Attorney General shall assist the Review Board in good faith to unseal any records that the Review Board determines to be relevant and held under the seal by a court or under the injunction of secrecy of a grand jury