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Jeff Larson is the Data Editor at ProPublica. He is a winner of the Livingston Award for the 2011 series Redistricting: How Powerful Interests are Drawing You Out of a Vote. Jeff's public key.
Oct. 6, 1:15 p.m.Verizon is merging its cellphone tracking supercookie with AOL’s ad tracking network to match users’ online habits with their offline details.
Sep. 1, 10 a.m.One unexpected effect of the company’s geographic approach to pricing is that Asians are almost twice as likely to be offered a higher price than non-Asians, an analysis by ProPublica shows.
Aug. 17, 10:54 a.m.New disclosures about the National Security Agency's partnership with AT&T could reignite constitutional challenges to the spy agency's efforts to wiretap the Internet.
Aug. 15, 1 p.m.Documents provided by Edward Snowden mention a special relationship between the National Security Agency and an unnamed telecommunications company. Here’s how we figured out that’s AT&T.
Aug. 15, 12:59 p.m.The National Security Agency’s ability to capture Internet traffic on United States soil has been based on an extraordinary, decadeslong partnership with a single company: AT&T.
June 4, 11 a.m.The Obama administration has stepped up the NSA’s warrantless surveillance program on U.S. soil to search for signs of hacking.
May 27, 9 a.m.How the Colorado was turned into a giant plumbing system.
May 15, 9 a.m.How U.S. commanders spent $2 billion of petty cash in Afghanistan
Oct. 30, 2014, 11:59 a.m.Twitter is using a newly discovered hidden code that the telecom carriers are adding to every page you visit – and it's very hard to opt out.
Oct. 15, 2014, 10:59 a.m.Documents describe "contractual relationships" between NSA and U.S. companies, as well as undercover operatives at some U.S. companies.
Aug. 8, 2014, 11:43 a.m.Software created by the controversial U.K. based Gamma Group International was used to spy on computers that appear to be located in the United States.
July 24, 2014, 2 p.m.To support the work we're doing for a project launching this year that relies on satellite imagery, we've added raster-data support to the newest version of Simple Tiles.
June 30, 2014, 11:56 a.m.We plotted the NSA programs, showing which ones fall squarely into the agency’s stated mission of foreign surveillance, and which ones are more controversial.
May 1, 2014, 1:11 p.m.Hundreds of school districts were placed under court order to desegregate following the Supreme Court’s 1954 Brown v. Board of Education ruling. Many communities do not know the status of these orders. Use this tool to find out whether your district is or ever was under a desegregation order, and al
Jan. 28, 2014, 2:30 p.m.We lay out more from our story about how the NSA and its British counterpart have been scouring smartphone apps.
Jan. 27, 2014, 1:30 p.m.New documents show the NSA and its British counterpart have access to advertiser data on smartphone apps, which can include your gender, income, and even whether you're a "swinger."
Dec. 31, 2013, 10:34 a.m.We used features only available in the most modern web browsers to create the interactive map of the city's flood zones.
Dec. 18, 2013, 2:29 p.m.Worker’s comp data collected from five states shows temps are far more likely to be injured on the job.
Dec. 18, 2013, 2:27 p.m.Temp workers are thrown into dangerous work with little training and suffer injuries far more often than permanent employees.
Nov. 4, 2013, 4:05 p.m.The federal institute that sets national standards for data encryption has announced it is reviewing all of its previous recommendations.
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