Brady v. Maryland

Holding that the prosecution violates due process when it suppresses material, favorable evidence

Motor Vehicle Manufacturers Assoc. of the United States, Inc. v. State Farm Mutual Auto. Ins. Co.

Holding that " `settled course of behavior embodies the agency's informed judgment that, by pursuing that course, it will carry out the policies [of applicable statutes or regulations]'"

Giglio v. United States

Holding that prosecution must disclose all information or material that may be used to impeach the credibility of prosecution witnesses where witness's credibility is "an important issue in the case"

United States v. Agurs

Holding that materiality "must be evaluated in the context of the entire record"

Chrysler Corp. v. Brown

Holding that a regulation may have "the force and effect of law" if: it enacts substantive rules affecting individual rights and obligations, and is not merely an interpretive rule or general policy statement; Congress has delegated "quasi-legislative" power to the agency; and the regulation is valid, i.e., the agency has followed applicable procedures such as the Administrative Procedure Act

Douglas Oil Co. v. Petrol Stops Northwest

Holding that a party claiming a particularized need for grand jury material must show that disclosure is necessary to avoid a possible injustice in another judicial proceeding

United States v. Sells Engineering, Inc.

Holding that injunctive relief is warranted where entry was "advancing the public interest by deterring violations of our laws"

Touhy v. Ragen

Holding that a subordinate agency employee cannot be compelled to comply with a subpoena duces tecum where a valid agency regulation prohibits such compliance in the absence of agency authorization, and where no authorization has been granted

United States v. U.S. Dist. Court for the N. Mar. I.

Granting mandamus when a district judge ordered that a government representative with full settlement authority attend a settlement conference

Senate of Puerto Rico v. U.S. Dept of Justice

Holding that the district court did not abuse its discretion in permitting the Government to invoke other FOIA exemptions after its initial reliance on 7 "collapse[d]," and leaving open the question of whether the conclusion of law-enforcement proceedings constitutes a "substantial change in the factual context of the case" sufficient to invoke an appellate court's section 2106 discretion to remand

Rule 26 - Duty to Disclose; General Provisions Governing Discovery

Adopting Fed.R.Civ.P. 37

Section 706 - Scope of review

Granting courts jurisdiction to "compel agency action unlawfully held or unreasonably delayed"

Rule 45 - Subpoena

Holding that a subpoena may command a person to attend a trial, hearing, or deposition "within 100 miles of where the person resides, is employed, or regularly transacts business in person"

Section 552a - Records maintained on individuals

Finding that it is a Department of Justice component that has as its principal function the enforcement of criminal laws includ[ing] correctional authorities

Section 6103 - Confidentiality and disclosure of returns and return information

Recognizing an individual's right to privacy with regard to disclosure of tax returns

Section 301 - Departmental regulations

Granting rulemaking authority to executive agencies

Section 3401 - Definitions

Striking balance between customer's right of privacy and the need of federal law enforcement agencies to obtain financial records pursuant to legitimate investigations

Section 16.21 - Purpose and scope

Section 16.26 - Considerations in determining whether production or disclosure should be made pursuant to a demand

Listing various "demands in response to which disclosure will not be made by any Department official"

Section 301.9000-1 - Definitions when used in Sections 301.9000-1 through 301.9000-6

Section 71.27 - Service on the appropriate TTB officer or Administrator