Case File

The WikiLeaks Case — U.S. prosecution of Julian Assange

Federal espionage prosecution, United States, 2010–2024, resolved

🇬🇧 British

Published June 5, 2026

The WikiLeaks Case — U.S. prosecution of Julian Assange
EVIDENCE

Case Details

Quick Facts

Case Status
Solved
Location
Saipan, Northern Mariana Islands, USA

Quick facts

LocationSaipan, Northern Mariana Islands, USA

The Case

The WikiLeaks case is the United States federal prosecution of Julian Assange, Australian-born founder of the transparency organization WikiLeaks, for his role in obtaining and publishing classified national defense information in 2010. Unlike conventional criminal cases with individual victims, this prosecution centers on alleged violations of the Espionage Act and computer intrusion laws, with the U.S. government as the complaining party arguing that Assange's actions endangered national security.

The case concluded on June 26, 2024, when Assange pleaded guilty to conspiracy to obtain and disclose national defense information in the U.S. District Court for the Northern Mariana Islands in Saipan. He was sentenced to 62 months' imprisonment, equivalent to time already served during his detention in London, effectively ending a 14-year legal saga that raised profound questions about press freedom, national security, and the boundaries of journalism in the digital age.

The Alleged Crime

The criminal conduct alleged in the U.S. indictment focused on events from 2010 involving WikiLeaks and U.S. Army intelligence analyst Chelsea Manning. According to prosecutors, Assange actively conspired with Manning to access classified information on U.S. government computer systems. The original 2019 indictment charged Assange with conspiracy to commit computer intrusion, alleging he attempted to help Manning crack a password hash that would have allowed her to log into Defense Department computers anonymously.

Timeline

1 January 2010

Alleged conspiracy with Chelsea Manning

Prosecutors claim Assange helped Manning attempt to crack a password hash to gain access to classified US government computers and retrieve national defense information anonymously.

25 July 2010

WikiLeaks publishes Afghan War logs

WikiLeaks releases approximately 75,000 classified documents about the war in Afghanistan provided by Manning, triggering a US government investigation into the disclosures.

19 June 2012

Assange enters Ecuador's embassy

Assange seeks political asylum at Ecuador's embassy in London to avoid extradition to Sweden on separate charges, where he stays for almost seven years.

11 April 2019

Arrest in London

British police arrest Assange at Ecuador's embassy after Ecuador withdraws his asylum. The US unseals an indictment for conspiracy to commit computer intrusion.

23 May 2019

Expanded indictment under the Espionage Act

The US Department of Justice files an expanded 18-count indictment, including charges under the Espionage Act for conspiracy to obtain and disclose national defense information.

26 June 2024

Guilty plea and sentencing

Assange pleads guilty to conspiracy to obtain and disclose national defense information at a court in Saipan, sentenced to 62 months already served by Judge Ramona V. Manglona, concluding the case.

The superseding indictment filed in May 2019 expanded the charges to include 17 counts under the Espionage Act, focusing on Assange's role in soliciting, obtaining, and publishing classified national defense information. Prosecutors alleged that Assange encouraged Manning to provide information, actively collaborated to conceal her identity as the source, and then published hundreds of thousands of classified documents knowing they could harm U.S. national security and intelligence operations.

The published materials included the Afghan War Diary, Iraq War Logs, Guantanamo Bay detainee assessments, and State Department diplomatic cables—collectively among the largest unauthorized disclosures of classified information in U.S. history. The government contended that these publications exposed the identities of human sources who had provided information to U.S. forces, potentially endangering their lives.

The Absence of Traditional Victims

Unlike homicides, assaults, or property crimes, the WikiLeaks prosecution involved no individual named victims in the conventional sense. The U.S. government functioned as the complaining party, asserting institutional harm to national defense capabilities, intelligence operations, and diplomatic relations. Government officials testified that the disclosures compromised ongoing military operations, revealed intelligence-gathering methods, and forced the relocation of human sources whose identities had been exposed.

Critics of the prosecution argued that the real victims were those exposed by the classified documents themselves—civilians killed in unreported incidents, detainees subjected to abuse, and populations affected by policies revealed in the diplomatic cables. This fundamental disagreement about who was harmed by WikiLeaks' actions became central to debates about whether Assange should be prosecuted at all.

The lack of traditional victims made the case unusual in criminal law and intensified concerns about its implications for press freedom. Press advocacy organizations warned that prosecuting a publisher for obtaining and disclosing classified information—activities routinely undertaken by investigative journalists—could create dangerous precedents affecting legitimate newsgathering.

Investigation and Arrest

The U.S. investigation into WikiLeaks began in 2010 following the publication of classified materials. The FBI and military investigators focused on identifying the source of the leaks, which led to Chelsea Manning's arrest in May 2010. Manning was subsequently court-martialed and convicted in 2013 of violations of the Espionage Act and other offenses, receiving a 35-year sentence later commuted by President Barack Obama.

While Manning's prosecution proceeded, the investigation into Assange continued, but the Obama administration ultimately declined to charge him, reportedly concerned about First Amendment implications of prosecuting a publisher. The Trump administration revisited this decision, and in March 2018, prosecutors prepared a sealed indictment against Assange.

Assange had been living in the Ecuadorian embassy in London since June 2012, having sought political asylum ostensibly to avoid extradition to Sweden on separate sexual assault allegations, though he claimed the real goal was eventual extradition to the United States. He remained in the embassy for nearly seven years under increasingly restrictive conditions.

On April 11, 2019, Ecuador withdrew Assange's asylum status, and British police immediately arrested him at the embassy. The U.S. unsealed its indictment the same day, initially charging only the computer intrusion conspiracy. The more extensive Espionage Act charges followed in a superseding indictment weeks later. Assange fought extradition from London's high-security Belmarsh Prison, where he remained detained throughout the legal proceedings.

Legal Proceedings and Resolution

The extradition battle consumed over five years, with British courts weighing the U.S. charges against concerns about Assange's mental health, potential treatment in American prisons, and freedom of expression principles. A British magistrate initially blocked extradition in January 2021 on mental health grounds, but higher courts reversed aspects of that decision, and the case continued through various appeals.

Throughout the proceedings, press freedom organizations, journalistic associations, and human rights groups campaigned against the prosecution, arguing it threatened the ability of journalists worldwide to report on classified information in the public interest. Supporters maintained that Assange's actions constituted protected journalism, while the U.S. government insisted he had gone beyond passive receipt of information to actively conspire in its theft.

In June 2024, a breakthrough occurred when Assange reached a plea agreement with U.S. prosecutors. Rather than face trial in the continental United States, he appeared before the U.S. District Court for the Northern Mariana Islands in Saipan—a U.S. territory chosen partly for its proximity to Australia, where Assange intended to return.

On June 26, 2024, Assange pleaded guilty to a single count of conspiracy to obtain and disclose national defense information. Judge Ramona V. Manglona sentenced him to 62 months' imprisonment, a term he had already served during his detention in London. With credit for time served, Assange was immediately free to leave U.S. jurisdiction and returned to Australia, ending the prosecution.

Aftermath and Ongoing Debates

The resolution of the WikiLeaks case left fundamental questions unresolved about press freedom, national security, and government accountability in the digital age. While the guilty plea formally concluded the prosecution, it did not establish definitive legal precedent through trial and appellate decisions, leaving uncertain how courts would balance Espionage Act enforcement against First Amendment protections.

Press freedom advocates expressed relief that Assange was free but concern that his prosecution and guilty plea could still chill investigative journalism. The Committee to Protect Journalists and other organizations noted that the case marked the first time the U.S. used the Espionage Act to prosecute someone primarily for publishing classified information, regardless of the plea agreement's terms.

Supporters of the prosecution argued that Assange's conduct went beyond traditional journalism through active participation in obtaining classified information and reckless publication without adequate redaction to protect human sources. They maintained that the resolution vindicated the government's position while allowing a practical end to prolonged litigation.

The case's impact on WikiLeaks as an organization remains significant. While WikiLeaks continues to exist and publish materials, its prominence and influence have diminished substantially from its 2010 peak. The lengthy prosecution of its founder, combined with internal organizational conflicts and changing media landscapes, transformed WikiLeaks from a groundbreaking transparency platform to a controversial historical phenomenon.

For Chelsea Manning, who served seven years before her sentence was commuted and who was later jailed again for refusing to testify before a grand jury investigating WikiLeaks, the case represented her own complex journey through military justice, imprisonment, and activism. For Assange, the guilty plea and time served brought freedom but also a criminal conviction for activities he long maintained constituted protected journalistic work.

The WikiLeaks case stands as one of the most significant national security prosecutions of the 21st century, touching on fundamental tensions between government secrecy and democratic transparency, national security and individual liberty, traditional journalism and digital-age information activism. Its resolution through plea agreement rather than trial left many of these tensions unresolved, ensuring continued debate about the proper boundaries of both government power and press freedom.

Sources and Documentation

The case generated extensive documentation including court filings in both U.S. and British proceedings, government statements, and advocacy materials from press freedom organizations. Multiple documentaries examined Assange's situation, including Risk (2016), Hacking Justice (2017), and Ithaka (2021), which focused on his father's campaign for his release. The 2013 dramatic film The Fifth Estate portrayed WikiLeaks' early operations, though it was not a documentary.

Books analyzing the case and WikiLeaks more broadly include WikiLeaks: Inside Julian Assange's War on Secrecy and various legal and journalistic examinations of the disclosures and their aftermath. The case continues to generate scholarly analysis regarding its implications for constitutional law, international human rights, and the future of investigative journalism in an era of unprecedented government surveillance and classification.

The resolution in Saipan, while concluding the criminal prosecution, marked not an ending but a transition to ongoing assessment of the WikiLeaks case's place in legal history and its lasting effects on the relationship between governments, publishers, and the public's right to know.

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