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Jeff Larson

News Applications Developer

California Regulators Require Auto Insurers to Adjust Rates

The state changed its approach in response to ProPublica’s finding that minority neighborhoods were paying higher premiums than white areas with the same risk.

Help Us Monitor Political Ads Online

ProPublica launches a “PAC” to scrutinize campaign ads on Facebook.

Despite Disavowals, Leading Tech Companies Help Extremist Sites Monetize Hate

Most tech companies have policies against working with hate websites. Yet a ProPublica survey found that PayPal, Stripe, Newsmax and others help keep more than half of the most-visited extremist sites in business.

How We Investigated Technology Companies Supporting Hate Sites

We wrote software to find the external domains contacted by popular websites that have been identified as extremist by either the Southern Poverty Law Center or the Anti-Defamation League.

Democratic Congress Members Raise Alarm About Security at Trump Properties

After ProPublica found security holes in networks at Trump properties, two dozen House members ask White House counsel to intervene, saying “these networks may already be stolen and the systems may already be compromised.”

Any Half-Decent Hacker Could Break Into Mar-a-Lago

We tested internet security at four Trump properties. It’s not good.

Chicago Area Disparities in Car Insurance Premiums

Some car insurers charge higher premiums in Chicago’s minority neighborhoods than in predominantly white neighborhoods with similar risk of accidents.

Bias in Criminal Risk Scores Is Mathematically Inevitable, Researchers Say

ProPublica’s analysis of bias against black defendants in criminal risk scores has prompted research showing that the disparity can be addressed — if the algorithms focus on the fairness of outcomes.

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.

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

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.

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