- twitter: thejefflarson
Our Hottest Stories
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. 15, 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, 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, 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, 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, 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, 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, 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.
Sep. 13, 2013, 2:07 p.m.The decision follows revelations about the NSA’s covert influence on computer security standards.
Sep. 9, 2013, 6:58 p.m.The university, which works closely with the NSA, apologizes to a professor after he was asked to remove his post.
Sep. 5, 2013, 3:08 p.m.Newly revealed documents show that the NSA has circumvented or cracked much of the encryption that automatically secures the emails, Web searches, Internet chats and phone calls of Americans and others around the world.
June 25, 2013, 2:57 p.m.Here’s what I got when I asked the NSA if they’re collecting my metadata.
June 12, 2013, 12:41 p.m.FEMA's released new, preliminary flood insurance maps for New York City, which specify how likely areas are to flood. The new maps, which replace maps that used data from 1983, double the number of structures in flood zones.
May 11, 2013, 9:12 p.m.ProPublica obtained Medicare Part D data from the Centers for Medicare and Medicaid Services (CMS) under the Freedom of Information Act. Here follows more information about the data and how we analyzed it.
May 11, 2013, 9:10 p.m.Medicare’s popular prescription-drug program now serves more than 35 million people, but the names of prescribers and the drugs they choose have never previously been public. Use this tool to find and compare doctors and other top prescribers in 2010.
March 14, 2013, 1:40 p.m.An exchange between ProPublica and the California Redistricting Commission.
Feb. 8, 2013, 3:47 p.m.EveryBlock is gone, here's how we archive our apps.
Safeguard the public interest.
Support ProPublica’s award-winning investigative journalism.