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Lauren Kirchner is a senior reporting fellow at ProPublica. She has covered digital security and press freedom issues for the Columbia Journalism Review, and crime and criminal justice for Pacific Standard magazine. She began her journalism career at the Richmond Times-Dispatch in Virginia. She has a B.A. in philosophy from Wesleyan University, and an M.S. from the Columbia University Graduate School of Journalism, where she received the Louis Winnick Prize for reporting and a Pulitzer Travel Fellowship.
Aug. 19, 1:45 p.m.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.
April 26, 11:21 a.m.In response to our report that minority neighborhoods pay higher premiums than white areas with the same risk, six members of Congress and two Illinois state senators are pushing for closer scrutiny of insurance practices.
April 5, 5 a.m.Our analysis of premiums and payouts in California, Illinois, Texas and Missouri shows that some major insurers charge minority neighborhoods as much as 30 percent more than other areas with similar accident costs.
April 5, 4:58 a.m.Read our methodology.
Nov. 4, 2016, 8 a.m.Powerful software is solving more crimes and raising new questions about due process.
Oct. 14, 2016, 12:55 p.m.An errant email from a PAC supporting Sen. Pat Toomey of Pennsylvania highlights Republican anxiety: “Trump has taken a real hit this week.”
Sep. 12, 2016, 8 a.m.Police in Florida and other states are building up private DNA databases, in part by collecting voluntary samples from people not charged with — or even suspected of — any particular crime.
July 14, 2016, 10:35 a.m.The court said judges can look at the scores – so long as their limitations are made clear.
June 14, 2016, 12:57 p.m.Federal prisoners would be scored according to their risk of recidivating. Those who got high scores would be ineligible for sentence reduction.
May 25, 2016, 11:47 a.m.A computer program rated defendants’ risk of committing a future crime. These are the results.
May 23, 2016, 8 a.m.There’s software used across the country to predict future criminals. And it’s biased against blacks.
May 23, 2016, 7:59 a.m.
Nov. 18, 2015, 2:21 p.m.Officials are again pointing to the need for mass surveillance to take down terrorists. Here’s what we know about how well it works.
Oct. 30, 2015, 12:16 p.m.Algorithms make a lot more decisions in our lives than what news we read on Facebook. Here’s a reading guide.
Oct. 29, 2015, 12:01 a.m.Uber’s surge pricing doesn’t necessarily increase the availability of rides. It just makes them more expensive.
Oct. 9, 2015, 1 p.m.A data scientist’s experiment reveals surprising information about interconnected smart devices.
Sep. 2, 2015, 12:23 p.m.Corporations are increasingly relying on algorithms to make business decisions and that raises new legal questions.
Aug. 25, 2015, 11:52 a.m.Court filings bring national attention to local funding issues.
June 25, 2015, 12:30 p.m.Why do I keep hearing about the California drought, if it's the Colorado River that we're "killing"? The West's water crisis explained.
May 27, 2015, 9 a.m.How the Colorado was turned into a giant plumbing system.
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