(FISA) Section 702: https://www.congress.gov/crs-product/R48592
The 2024 reauthorization of Section 702
Section 702 of the Foreign Intelligence Surveillance Act (FISA) was enacted in recognition of the modern reality that electronic communications are inherently global in scope. Emails, phone calls, cloud data, and messaging traffic frequently cross international borders—even when both participants are located within the United States—due to the architecture of global internet infrastructure. Section 702 leverages this reality by authorizing U.S. intelligence agencies to target non-U.S. persons located abroad for foreign intelligence purposes. However, because international routing is ubiquitous, this authority operates in a way that systematically captures communications involving U.S. persons, particularly when Americans communicate with individuals, businesses, or services outside the United States.
In practice, any American who communicates internationally—whether through email, messaging platforms, cloud services, or business transactions—may have their communications collected under Section 702, even though they are not the intended target. This is not a rare or incidental occurrence but a predictable outcome of how modern communication networks function. As a result, Section 702 effectively creates a surveillance framework in which international communication becomes a trigger point for warrantless collection, raising substantial constitutional concerns under the Fourth Amendment.
At its core, Section 702 departs from traditional Fourth Amendment principles by eliminating the requirement for individualized warrants. Instead of demonstrating probable cause to a neutral magistrate, the government operates under broad, programmatic authorizations approved by the Foreign Intelligence Surveillance Court (FISC). These authorizations do not identify specific individuals or facilities; rather, they permit entire categories of surveillance. This structure stands in tension with the Supreme Court’s holding in Katz v. United States, which established that the Fourth Amendment protects people, not places, and requires a warrant where individuals have a reasonable expectation of privacy, including in their communications.
Although Section 702 is formally limited to foreign targets, its operational reality is far broader. Through incidental collection, communications involving U.S. persons are routinely acquired whenever they interact with foreign targets or when their data traverses monitored infrastructure. Given the prevalence of international communications in modern life—ranging from personal messaging to global commerce—this results in the accumulation of a substantial volume of Americans’ communications, collected without warrants, probable cause, or individualized suspicion. The scale and scope of this collection raise concerns analogous to those addressed in Carpenter v. United States, where the Court recognized that access to comprehensive digital records implicates significant privacy interests requiring judicial oversight.
The constitutional tension becomes more pronounced with the use of “backdoor searches.” U.S. intelligence and law enforcement agencies may query Section 702 databases using identifiers associated with U.S. persons. In effect, this allows the government to retrieve the content of Americans’ international and domestic communications without obtaining a warrant at the point of search, bypassing safeguards that would otherwise apply. This practice raises concerns under Riley v. California, which emphasized that digital communications—due to their depth, breadth, and personal nature—are entitled to heightened Fourth Amendment protection.
Oversight mechanisms have not fully resolved these issues. Compliance reviews and FISC opinions have documented repeated instances of improper querying and misuse of U.S. person data, suggesting that procedural safeguards may be insufficient in practice. Given the volume of data collected through international communications, even minor rates of misuse can have significant implications at scale.
The 2024 reauthorization of Section 702 through the Reforming Intelligence and Securing America Act (RISAA) introduced additional compliance measures and limitations on certain types of queries. However, it did not impose a general warrant requirement for searches involving U.S. persons, leaving the central constitutional concern intact. The reforms refine oversight but do not fundamentally alter the relationship between international communications and warrantless collection.
From an investigative standpoint, Section 702 demonstrates how the global nature of modern communications can be used to expand surveillance authority beyond its stated scope. While nominally targeting foreign actors, the statute operates in a manner that leverages international communication pathways to access and store Americans’ communications without individualized judicial review. This dynamic raises fundamental questions about whether the government can rely on the international nature of digital infrastructure to circumvent constitutional protections.
In sum, Section 702 exists at the intersection of global communications and domestic constitutional law. As international communication becomes a routine aspect of everyday life, the statute’s reliance on foreign targeting as a legal boundary becomes increasingly strained. The unresolved question remains whether a surveillance regime that treats international communication as a basis for warrantless collection can be reconciled with the Fourth Amendment’s requirement that searches be reasonable, particularized, and subject to meaningful judicial oversight.
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