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UNITED STATES v. HANSEN

Opinion of the Court

See 40 F. 4th 1049, 1057–1058 (2022). Correctly interpreted, he explained, clause (iv) reaches only criminal solicitation and aiding and abetting. Ibid. On that reading, the provision raises no overbreadth problem because, “[e]ven if §1324(a)(1)(A)(iv) somehow reaches protected speech, that reach is far outweighed by the provision’s broad legitimate sweep.” Id., at 1072.

We granted certiorari. 598 U. S. ___ (2022).

II

The First Amendment provides that “Congress shall make no law … abridging the freedom of speech.” Wisely, Hansen does not claim that the First Amendment protects the communications for which he was prosecuted. Cf. Illinois ex rel. Madigan v. Telemarketing Associates, Inc., 538 U. S. 600, 612 (2003) (“[T]he First Amendment does not shield fraud”). Instead, he raises an overbreadth challenge: He argues that clause (iv) punishes so much protected speech that it cannot be applied to anyone, including him. Brief for Respondent 9–10.

An overbreadth challenge is unusual. For one thing, litigants typically lack standing to assert the constitutional rights of third parties. See, e.g., Powers v. Ohio, 499 U. S. 400, 410 (1991). For another, litigants mounting a facial challenge to a statute normally “must establish that no set of circumstances exists under which the [statute] would be valid.” United States v. Salerno, 481 U. S. 739, 745 (1987) (emphasis added). Breaking from both of these rules, the overbreadth doctrine instructs a court to hold a statute facially unconstitutional even though it has lawful applications, and even at the behest of someone to whom the statute can be lawfully applied.

We have justified this doctrine on the ground that it provides breathing room for free expression. Overbroad laws “may deter or ‘chill’ constitutionally protected speech,” and if would-be speakers remain silent, society will lose their