Law review article
Chatrie v. United States and the case for fiduciary governance of government data
By Michael G. Leahy, J.D. · July 2026 · Placement pending
The Supreme Court's 2026 decision in Chatrie v. United States categorically rejected durational thresholds for Fourth Amendment protection, described unchecked government surveillance as a "virtual panopticon," and further eroded the third-party doctrine. The majority's reasoning, Justice Jackson's concurrence on particularity, and Justice Gorsuch's property-based concurrence all converge on a single diagnosis: existing legal frameworks are structurally inadequate to govern the surveillance capabilities modern technology places in government hands.
This article argues that Chatrie identifies a constitutional problem the Court's own remedial tools cannot solve. Interpretive judicial remedies, however ambitious, are structurally captured by the institutions whose conduct they constrain. The remedy must be architectural: enforceable fiduciary duties built into the design of government information systems, not layered on top of systems designed for unconstrained surveillance. The Fiduciary Commons Framework provides that architecture.
The Chatrie majority located Fourth Amendment protection in the relationship between government and citizen, not in the nature of the technology or the duration of the surveillance. This is the doctrinal move the framework anticipated: when protection depends on the relationship rather than the instrument, the obligations that govern the relationship must be enforceable, specific, and architecturally implemented.
The article traces Chatrie's implications through four dimensions. First, the decision's categorical rejection of durational thresholds confirms that the constitutional violation is architectural, not transactional: if seven days of location tracking and 365 days of location tracking receive the same constitutional protection, the violation is not in the duration of the surveillance but in the existence of the surveillance capability itself. Second, the "virtual panopticon" formulation aligns directly with the framework's analysis of integrated government databases as digital general warrants. Third, the further erosion of the third-party doctrine removes the doctrinal obstacle that had prevented courts from reaching government use of commercially compiled surveillance data. Fourth, Justice Gorsuch's property-based concurrence, while reaching the right destination, illustrates the structural limitations of property models for data governance, limitations the fiduciary framework resolves through trust law's inalienability principles.
The article concludes that the Court has identified the constitutional problem with precision. What it cannot do, because courts interpret rather than architect, is build the systems that solve it. That is a legislative task. The Fiduciary Commons Framework, with its three foundational model statutes and companion legislation, provides the architecture the Court's reasoning demands but its institutional role prevents it from constructing.
Chatrie confirms that the Fourth Amendment protects against surveillance capability, not just surveillance acts. The framework translates that principle into enforceable law: VIDA prohibits the architecture that creates surveillance capability, PDTA imposes fiduciary duties on every use of citizen data, and GAAFA ensures AI systems respect the same constitutional constraints. Together they provide the legislative architecture the Court's reasoning calls for.
The Chatrie article builds on four previously published essays, each of which develops a dimension of the framework's constitutional argument.
Argues that modern integrated government databases possess the four characteristics of general warrants and are therefore constitutionally prohibited under the Fourth Amendment.
SSRNDevelops the constitutional argument that government's relationship to citizen data is fiduciary in nature, generating enforceable duties of loyalty, care, and confidentiality.
SSRNExtends the mosaic theory of surveillance to its architectural conclusion: if aggregation is the constitutional violation, the remedy must prevent aggregation, not just regulate access to aggregated data.
SSRNDemonstrates that the centralized data architectures government has built are procurement choices, not technological necessities, and that purpose-sequestered alternatives are operationally viable.
SSRNScholarly correspondence: scholarship@fiduciarycommons.com