How They Did It
Uncovering the Hidden Environmental Impact of an Industrial-scale Hog Farm
An award-winning project exposed how a US-governor’s pig farming company polluted groundwater, revealing issues of political influence and regulatory neglect.
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How They Did It
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How They Did It
How We Revealed Mega-Polluters Taking Advantage of Green Loans
An exposé supported by the Pulitzer Center’s Rainforest Investigations Network found loans earmarked for green projects were routinely used by fossil fuel and mining companies.
How They Did It
How They Did It: The Pulitzer Prize-Winning Series Exposing Fentanyl’s Global Supply Routes
This seven-part Reuters series revealed how easily chemicals used to create fentanyl can be acquired — and the network of suppliers that make the illicit drug trade possible.
How They Did It
How a Filipino Reporter Exposed Disinformation Networks Defending an Ex-President After His Arrest
Philippine reporter Cristina Chi uncovered an orchestrated disinformation campaign on Facebook to falsely portray the arrest of the country’s ex-president.
How They Did It
Investigating How Illegal Gold Gets Into the Legitimate Supply Chain
This Pulitzer Center-supported investigation dug into illegal gold mining in South America, and traced how these illicit products are secretly fed into legitimate supply chains.
How They Did It Reporting Tools & Tips
Running Into Open Secrets: How to Investigate Using the Strava Fitness App
Journalists around the world have mined the Strava fitness app to pinpoint secret military bases and track the movements of world leaders.
How They Did It
Investigating the Systemic Failures Enabling Abuse on Dating Apps
The Dating App Reporting Project conducted an 18-month investigation into the mechanisms meant to keep people safe on dating apps — and found them wanting.
How They Did It
From the Hospital to the Lab: How We Reported the Snakebite Scandal
Two reporters from The Bureau of Investigative Journalism’s global health team explain how they uncovered the shady world of phony snakebite antivenom.
How They Did It
How Two Graduate Reporters Exposed a System Used to Hide Police Officer Misconduct
Two reporters, nominated for the 2025 Goldsmith Prize, spent years investigating legal agreements in California that hide police officers’ past misconduct from the public.
How They Did It
Exposing Extremism Networks in Sub-Saharan Africa Using Open Source Tools
As extremism spreads across sub-Saharan Africa, journalists are turning to open source tools to track the networks and physical movement of these often violent groups.
How They Did It
How TBIJ Teamed up with UK Members of Parliament to Uncover ‘Silenced Stories’
TBIJ journalists explain how they got around SLAPP suits by having UK Members of Parliament — shielded by legal privilege — read in the House of Commons previously silenced stories.
How They Did It News & Analysis
How This Oscar-Nominated Director Turned the Lens on Herself to Investigate the Man Who Sexually Assaulted Her
Journalist Shiori Ito directed the Oscar-nominated documentary ‘Black Box Diaries,’ spending years reporting on her attacker and helping to spark the #MeToo movement in Japan.
How They Did It Methodology
‘Border of Tears’: Interviewing Victims of China’s Xinjiang Prison Camps
This award-winning investigation into Xinjiang internment camp survivors was nearly silenced. Here are some lessons learned about keeping vulnerable sources safe and telling their stories.
Data Journalism How They Did It
Using WhatsApp to Crowdsource Data on Ride Hailing Companies’ Labor Lockouts
We used WhatsApp to crowdsource information from Uber and Lyft drivers in NYC about company lockouts during a local, minimum wage dispute.
How They Did It Methodology
Uncovering the Deforestation, Mismanagement, and Funders Behind a Malaysian Oil Palm Plantation
After a tip-off about unsustainable logging, Low Choon Chyuan conducted a year-long investigation combining on-the-ground environmental reporting with QGIS and satellite imagery.
Gender How They Did It
Using Data to Expose Systemic Gender-Based Violence — in 10 Steps
Reporters at the Center for Collaborative Investigative Journalism explain how they used data to reveal systemic gender-based violence in Eswatini in southern Africa.
Data Journalism How They Did It
Documenting the Unidentified Graves of Migrants in Europe’s Borderlands
This investigation sought to answer key questions that no government could answer: What happens when someone goes missing at Europe’s borders? And how many burial sites are there across Europe?
How They Did It News & Analysis
How ‘Underestimated’ Journalists Exposed the Massive UK Post Office Scandal
The UK’s Post Office scandal saw hundreds of people wrongly prosecuted. For over a decade, investigative journalists from small outlets plugged away to uncover the truth.
How They Did It News & Analysis
How One Reporter Unravelled the Mystery Behind a Field of Starving Horses in Argentina
GIJN spoke to the author of a 2024 Gabo Award-winning investigation into the case of 700 horses found abandoned in a field outside Buenos Aires.
Data Journalism How They Did It
How I Did It: Extracting and Analyzing National Budget Data Using a Custom AI Bot
Filipino journalist Jaemark Tordecilla explains how he made and refined a custom AI tool that makes it easier to report on public spending from budgets published online.
Getting the Story Out How They Did It
Pollution, Corruption, and Illegal Gold Mining: Investigating Nigeria’s Water Crisis
Investigative journalist and filmmaker Anu Adelakun discusses her investigation into the forces behind water scarcity and pollution in Africa’s most populous democracy.
How They Did It Reporting Tools & Tips
Misinformation on TikTok: How Documented Examined Hundreds of Videos in Different Languages
For an investigation into misinformation on TikTok, the Documented team developed helpful methodologies for using AI to transcribe and analyze large amounts of downloaded videos.
How They Did It
Opening the AI ‘Black Box’: How We Investigated Grab’s Fare System
How the Philippine Center for Investigative Journalism looked into the opaque algorithm used by the ride-hailing company Grab.
How They Did It Research
How We Did It: Amnesty International’s Investigation of Algorithms in Denmark’s Welfare System
Amnesty Tech’s Algorithmic Accountability Lab led a sweeping probe into possible algorithmic bias and mass surveillance by Denmark’s welfare agency.
How They Did It Teaching & Training
How an Investigative Hub Trained a Generation of Reporters in the US-Mexico Border Region
The Mexico Border Investigative Reporting Hub helped new muckrakers shine a light on corruption and human rights issues.
How They Did It News & Analysis
How Two Reporters Found 63 Political Candidates Wanted by Brazilian Courts
A data investigation looked into the lack of transparency in Brazilian elections that allows candidates wanted for crimes to run for office without public knowledge.
How They Did It Methodology
Investigating Gaza: How the Associated Press Documented the Families Devastated by War
Sarah El Deeb documented 60 families from the Gaza Strip who have lost 25 members or more from Israeli airstrikes during the first three months of the conflict.
How They Did It Reporting Tools & Tips
Investigating State Attacks on Exiles: Lessons from The Washington Post’s ‘Repression’s Long Arm’ Series
The international investigations team at The Washington Post is tackling the issue of transnational repression in an ongoing series called Repression’s Long Arm.