In this article, Kirby Behre and Alexandria Westbrook write that as federal regulatory and criminal enforcement priorities shift, state attorneys general (AGs) are increasingly stepping into areas once dominated by federal agencies. While they differ in ideology and geography, these AGs share a willingness to assume traditional federal enforcement roles and challenge corporate conduct in areas including privacy, antitrust, consumer fraud, and AI. Companies facing multistate risk or emerging technology regulation should closely monitor these AGs’ priorities and momentum.