Opinion of the Court
All of those considerations help explain why federal courts have not traditionally entertained lawsuits of this kind. By concluding that Texas and Louisiana lack standing here, we abide by and reinforce the proper role of the Federal Judiciary under Article III. The States’ novel standing argument, if accepted, would entail expansive judicial direction of the Department’s arrest policies. If the Court green-lighted this suit, we could anticipate complaints in future years about alleged Executive Branch under-enforcement of any similarly worded laws—whether they be drug laws, gun laws, obstruction of justice laws, or the like. We decline to start the Federal Judiciary down that uncharted path. Our constitutional system of separation of powers “contemplates a more restricted role for Article III courts.” Raines, 521 U. S., at 828.
C
In holding that Texas and Louisiana lack standing, we do not suggest that federal courts may never entertain cases involving the Executive Branch’s alleged failure to make more arrests or bring more prosecutions.
First, the Court has adjudicated selective-prosecution claims under the Equal Protection Clause. In those cases, however, a party typically seeks to prevent his or her own prosecution, not to mandate additional prosecutions
against an executive agency or officer. To be sure, States sometimes have standing to sue the United States or an executive agency or officer. See, e.g., New York v. United States, 505 U. S. 144 (1992). But in our system of dual federal and state sovereignty, federal policies frequently generate indirect effects on state revenues or state spending. And when a State asserts, for example, that a federal law has produced only those kinds of indirect effects, the State’s claim for standing can become more attenuated. See Massachusetts v. Laird, 400 U. S. 886 (1970); Florida v. Mellon, 273 U. S. 12, 16–18 (1927); cf. Lujan, 504 U. S., at 561–562. In short, none of the various theories of standing asserted by the States in this case overcomes the fundamental Article III problem with this lawsuit.
