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Jeff Larson

Jeff Larson

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Jeff Larson is a news applications developer 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.

Articles

Breaking the Black Box: How Machines Learn to Be Racist

Artificial Intelligence is only as good as the patterns we teach it. To illustrate the sensitivity of AI systems, we built an AI engine that deduced synonyms from news articles published by different types of news organizations.

ProPublica Responds to Company’s Critique of Machine Bias Story

Northpointe asserts that a software program it sells that predicts the likelihood a person will commit future crimes is equally fair to black and white defendants. We re-examined the data, considered the company’s criticisms, and stand by our conclusions.

Technical Response to Northpointe

Northpointe asserts that a software program it sells that predicts the likelihood a person will commit future crimes is equally fair to black and white defendants. We re-examined the data, considered the company’s criticisms, and stand by our conclusions.

What Algorithmic Injustice Looks Like in Real Life

A computer program rated defendants’ risk of committing a future crime. These are the results.

Machine Bias

There’s software used across the country to predict future criminals. And it’s biased against blacks.

How We Analyzed the COMPAS Recidivism Algorithm

Hell and High Water

Houston is the fourth-largest city in the country. It's home to the nation's largest refining and petrochemical complex, where billions of gallons of oil and dangerous chemicals are stored. And it's a sitting duck for the next big hurricane. Why isn't Texas ready?

Hell and High Water (Full Text)

Houston is the fourth-largest city in the country. It's home to the nation's largest refining and petrochemical complex, where billions of gallons of oil and dangerous chemicals are stored. And it's a sitting duck for the next big hurricane. Why isn't Texas ready?

How We Made Hell and High Water

Our interactive story includes a map with seven animated simulations depicting a large hurricane hitting the Houston-Galveston region.

Fact-Checking the Debate on Encryption

The existence of coded communications is a reality and the U.S. may not be able to do much about it.

Telecoms, Manufacturers Delaying Critical Patches for Classified Military Smartphones

Telecom carriers and manufacturers are holding back critical software updates putting classified information at risk.

Verizon’s Zombie Cookie Gets New Life

Verizon is merging its cellphone tracking supercookie with AOL’s ad tracking network to match users’ online habits with their offline details.

The Tiger Mom Tax: Asians Are Nearly Twice as Likely to Get a Higher Price from Princeton Review

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.

Here’s Why the Close Collaboration Between the NSA and AT&T Matters

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.

A Trail of Evidence Leading to AT&T’s Partnership with the NSA

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.

NSA Spying Relies on AT&T’s ‘Extreme Willingness to Help’

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.

New Snowden Documents Reveal Secret Memos Expanding Spying

The Obama administration has stepped up the NSA’s warrantless surveillance program on U.S. soil to search for signs of hacking.

Killing the Colorado: Explore the River

How the Colorado was turned into a giant plumbing system.

Money as a Weapons System

How U.S. commanders spent $2 billion of petty cash in Afghanistan

Somebody’s Already Using Verizon’s ID to Track Users

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.
Jeff Larson

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