News Applications Developer
Sergio Hernandez is a reporter and developer with ProPublica’s news apps team.
Before joining ProPublica, Hernandez was a reporter and data editor at CNN, where he led efforts to develop data journalism standards and expand the use of computer-assisted reporting techniques. His work has previously appeared in Mashable, The Week, The Village Voice, Gawker and BuzzFeed. From 2011 to 2014, he worked as a reporting intern and contributor for ProPublica.
The department restored more than 2,000 missing discipline records to its public database of uniformed officers, weeks after ProPublica revealed data reliability issues. But it also removed case numbers, making future oversight more difficult.
Seventy years after Brown v. Board, Black and white residents, in Camden, Alabama, say they would like to see their children schooled together. But after so long apart, they aren’t sure how to make it happen.
The police department’s public site for tracking officers’ discipline is shockingly unreliable, a ProPublica analysis found. Cases against officers frequently vanish for days — sometimes weeks — at a time.
Find organizations and people that have paid the current justices, reimbursed them for travel, given them gifts and more.
Most rights are based in statute, but dozens — such as rights to same-sex marriage, search warrants and Miranda warnings — are based on judicial rulings that the Supreme Court can overturn and that current justices have questioned some aspect of.
A new ProPublica app tracks corporate contributions to election deniers. From GE to Boeing, here are some of the behemoths that proclaimed that they were suspending donations — then resumed giving to the very politicians they had sworn off.
Corporate America pledged to quit supporting lawmakers who challenged the 2020 election results. Two years later, the companies’ wallets are back open.
Six months after ProPublica’s story, Iowa’s highest court has thrown out Nick Rhoades’ 25-year prison sentence for criminal transmission of HIV.
People with HIV have been sentenced to years or even decades in prison for having sex without telling their partners they’re infected, even when they practiced safe sex. Are these laws a deterrent to spreading the virus or could they actually fuel the epidemic?
When Mayor Michael Bloomberg tapped Cathie Black to be schools chancellor, a lowly intern filed a freedom of information request that the city fought for two years. Now, that intern reflects on why the mayor tried so hard to keep secret emails that turned out to be innocuous.
The innocent can wind up in prison. The guilty can be set free. But New York City prosecutors who withhold evidence, tolerate false testimony or commit other abuses almost never see their careers damaged.
After three years of wrangling with the State of Alaska, we're finally getting a look at the emails Sarah Palin sent during her time as governor.
IMF chief Dominique Strauss-Kahn is accused of sexually assaulting a maid in a Manhattan hotel, but could his IMF job snag him a "Get Out of Jail Free" card?
A federal jury in New Orleans convicts two officers originally cleared of wrongdoing when a local forensic pathologist called Raymond Robair's beating death an accident.
A federal jury will hear closing arguments today against two officers originally cleared of wrongdoing when a local forensic pathologist called Raymond Robair’s death an accident.
With nuclear safety concerns in the forefront as Japan works to stave off a meltdown, here's a look at some potential vulnerabilties when what can go wrong does go wrong.
Why is collective bargaining such a hot-button issue now -- and what are the basic facts?
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