Section 702 Explained: Foreign Intelligence, American Emails and the Warrant Fight

On April 12, 2024, the House of Representatives voted on an amendment that would have required federal agents to get a warrant before searching a surveillance database for Americans' communications. When the voting ended, the board showed 212 in favor and 212 against. A tie defeats an amendment, so it failed. The coalition on the losing side would have baffled anyone who thinks of politics as a straight line from left to right: progressive Democrats who had spent years warning about government spying stood with hard-right Republicans who distrusted the FBI. On the winning side were the leaders of both parties' intelligence committees and the Biden administration. The bill that passed that day kept alive a program few Americans have heard of, though it touches communications of people all over the world, including many in the United States. It is called Section 702, and understanding it starts with a decision Congress made in 2008.

In short: Section 702 lets U.S. intelligence agencies collect, without individual warrants, the communications of foreigners abroad through American tech and phone companies. Americans' messages get swept in when they talk to those foreigners, and the FBI can then search that collection for Americans by name. Here's the case for a warrant rule on those searches, a fix that failed by a single vote in 2024 and remains the heart of the fight.

From secret program to statute

After the attacks of September 11, 2001, the National Security Agency began intercepting communications inside the United States without court orders, under a classified presidential program. When The New York Times revealed the warrantless wiretapping in December 2005, it set off years of legal and political fights over whether the program broke the Foreign Intelligence Surveillance Act of 1978, which required court approval for intelligence wiretaps in the country.

Congress responded in stages, and in July 2008 passed the FISA Amendments Act. Its Section 702 created a new framework. Instead of a judge approving surveillance of each target, the Foreign Intelligence Surveillance Court would approve annual certifications: broad categories of foreign intelligence the government wanted to collect, along with the procedures it would use to target, handle and search the data. Within those certifications, agencies choose their own targets.

The law had a key limit. Targets must be non-U.S. persons reasonably believed to be located outside the United States. The government cannot target an American, or anyone in the country, under 702. Then-Senator Barack Obama voted for the 2008 law, angering many supporters who had expected him to oppose it.

How collection actually works

The government sends a directive to a U.S. company that carries or stores communications: an email provider, a messaging service, a phone company. The directive lists "selectors," usually email addresses, phone numbers or similar identifiers tied to foreign targets. The company must hand over communications to and from those selectors.

Edward Snowden's leaks in 2013 brought two parts of this into public view. One, which the press called PRISM, involved collection from internet companies. The other, upstream collection, involved copying communications as they crossed the internet's backbone. For years, upstream collection also swept in messages that merely mentioned a selector, not just those sent to or from it. The NSA stopped that "about" collection in 2017 after compliance problems.

The program is large. Intelligence officials report the number of targets each year, and in recent years it has been well over 200,000. Officials describe 702 as among the most valuable tools they have, citing its role in tracking terrorist plots, foreign hacking and spies, cyberattacks on American companies and the movement of fentanyl precursors. Those claims come largely from classified briefings, but members of both parties who have seen the details have generally accepted that the program produces real intelligence.

The incidental American

Here is the catch. When a target abroad emails, calls or messages someone in the United States, that American's side of the conversation is collected too. The government calls this "incidental" collection. Nobody targeted the American, but the American's words are now in a government database, often stored for years.

The size of this incidental collection has never been publicly counted, and the intelligence community has long said it cannot be measured without itself invading privacy. What is clear is that it is not trivial. Americans talk to people overseas constantly: relatives, business partners, journalists' sources, students, doctors.

Then comes the step that drives the fight. Agencies, including the FBI, can search the collected data using an American's name, email address or phone number. Critics call these "backdoor searches," because they let agents read Americans' communications without ever getting the warrant they would need to target that person directly. The FBI ran these queries at the start of all sorts of investigations, sometimes in cases that had nothing to do with national security.

The court that hears only one side

Much of the oversight of 702 runs through the Foreign Intelligence Surveillance Court, and it helps to know how unusual that court is. It was created by the 1978 law. Its judges are sitting federal district judges, chosen by the Chief Justice of the United States from around the country, who serve on it for terms of up to seven years alongside their regular work. It meets in a secure facility in Washington, and most of what it does is classified.

For most of its history, the court heard only from the government. That is normal for an individual warrant application, where a judge reviews an agent's sworn statement before a search. It is far less normal for a program like 702, where the court is not approving one search but ruling on the legality of a system affecting enormous numbers of communications. A judge deciding questions of that scale, with no lawyer on the other side to point out problems, is working without the adversarial testing that the rest of the legal system depends on.

Congress made a partial fix in the USA FREEDOM Act of 2015, which ended the NSA's bulk collection of Americans' phone records and created a panel of outside lawyers, known as amici curiae, that the court can call on to argue for privacy and civil liberties in significant cases. The amici have since taken part in several important reviews, and some of the court's sharpest criticisms of FBI querying came in opinions where outside lawyers had a voice.

But the amici participate only when the court invites them, they see only what the court shares and they cannot appeal a ruling they disagree with. Reformers have proposed giving them a stronger, more regular role. It is one of the less glamorous parts of the debate, and one of the most practical.

The people who are not targets

It is worth thinking concretely about who ends up in the database without being suspected of anything. An American journalist who interviews a foreign official may have that conversation collected if the official is a target. A family in Texas that talks every week with relatives abroad may be collected if one relative's account is targeted for any foreign intelligence reason, which can be broad. A company negotiating with a foreign firm, a doctor consulting a colleague overseas and a student emailing a professor at a foreign university are all in the same position.

None of these people did anything wrong, and the program is not aimed at them. That is precisely the problem with searching the data for their names afterward without judicial approval. The protection the Constitution gives Americans is supposed to attach to Americans, not depend on whom they happen to be talking to.

A record of misuse

The best argument for reform is the government's own reports. Opinions by the surveillance court and reviews by oversight bodies, declassified over several years, described FBI queries that violated the rules. They included searches about people who took part in protests after the killing of George Floyd in 2020, searches about people suspected of involvement in the January 6, 2021, attack on the Capitol, searches on political donors and searches about a sitting member of Congress. In an annual transparency report, the government said FBI queries of 702 data for U.S. persons were fewer than 3.4 million in 2021, a figure inflated by a few very large batch searches and one that fell sharply after the FBI changed its practices.

The FBI points to those changes: new approval requirements, training and a large drop in queries. Officials argue that the problems were compliance errors, not intentional abuse, and that the fixes are working. That defense is partly persuasive. The numbers did fall.

But the deeper point stands. Rules that depend on an agency policing itself can be loosened by the next director, the next attorney general or the next President. The misuse that came to light touched the political left and right alike. That is exactly why civil libertarians across the spectrum want a judge involved.

The tie vote and what passed

By 2024, Section 702 needed renewal. The fight split both parties. The House considered the Reforming Intelligence and Securing America Act, which the leadership offered with some new limits on FBI queries but no warrant requirement. An amendment from Representative Andy Biggs, an Arizona Republican, would have required a warrant for U.S.-person queries, with exceptions for emergencies and certain cybersecurity cases.

Supporters ranged from members of the Congressional Progressive Caucus to members of the Freedom Caucus. Donald Trump, then a candidate, posted that lawmakers should kill FISA, saying it had been used to spy on his campaign. Opponents included the administration, which warned that a warrant rule would slow investigations at moments when speed matters, and the chairs of both intelligence committees.

The amendment failed 212 to 212. The underlying bill then passed the House and the Senate, and President Biden signed it on April 20, 2024. It reauthorized the program for two years, pushing the next deadline into April 2026. It also expanded the definition of the companies that can be ordered to help, a change Senator Ron Wyden and others warned could reach businesses that merely have access to equipment carrying communications. Supporters said the change was meant to cover a narrow category of providers.

Because the surveillance court's certifications run for a year at a time, collection does not stop on the day a statutory deadline passes; it can continue until those certifications expire. That quirk has weakened the leverage reformers get from each deadline. For where the program stands today, and for any votes in 2026, the Congress votes and bills page tracks the record.

The case for a warrant, and the honest objection

Here is the argument, labeled as such. The government should need a warrant, or an equivalent court order based on probable cause, before searching 702 data for a specific American's communications, except in genuine emergencies. That is the rule for searching an American's email any other way. The fact that the message was first collected for foreign intelligence purposes should not erase it.

The strongest objection is speed and value. Officials argue that querying data the government already lawfully holds is not a new search, and that requiring a warrant at the start of an investigation would keep agents from learning that a foreign hacker or terrorist was in touch with an American victim, perhaps in time to warn them. That concern is real, and a good reform would answer it: exceptions for consent, for emergencies, for cybersecurity defense of a victim and for queries that look only at metadata could cover most of the cases officials cite.

What a reform should not do is accept the idea that the Fourth Amendment stops at the edge of a database. If it does, then the more information the government gathers about foreigners, the less protection Americans have.

Why progressives should own this issue

Surveillance power never stays with the people who build it. The tools approved for one administration's purposes pass to the next. Progressives who trusted the intelligence agencies under one President have had reason to rethink that trust under another, and conservatives have made the same journey in the other direction.

The communities with the most at stake are often the ones least heard in these debates. Immigrant families, Muslim Americans, activists with ties abroad and journalists who cover foreign affairs are more likely than most to be in contact with people overseas who might be targeted. They have the most reason to worry that a database built for foreign intelligence could be searched for domestic purposes, and the least political clout to demand limits.

A warrant requirement is the kind of rule that protects everyone because it does not depend on who is in charge. It also has rare cross-party support. The 2024 tie showed that a working coalition exists. With a new Congress arriving in January 2027, it is worth asking your own representative which side of that tie they would be on.

What you can do

Surveillance law changes only when members of Congress hear from people at home. Ways to take part:

1. Find out how your representative voted. The representatives finder needs only your address to list your House member, senators and state legislators, their office phone lines and contact forms, and the votes they cast most recently. Call and ask whether they support a warrant requirement for searches of Americans' communications.
2. Watch the next renewal. The Congress votes and bills page follows roll calls and legislation, including any surveillance reauthorization.
3. Read the background. The democracy and the rule of law topic page gathers reporting on surveillance, oversight and the limits of executive power.
4. Support the watchdogs. Civil liberties and legal aid groups have pushed the court disclosures that made this debate possible. The organizations directory lists nonprofits by cause in every state.