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I use data to power accountability journalism. That means digging through databases and public records to uncover stories about how your identity and zip code can affect the kind of justice you get in Southern California.
As a data reporter, my work spans different beats. I’ve covered the avalanche of outside money in local politics, spiking firearms sales, Los Angeles’ bicycle infrastructure, and police militarization. I helped build a unique database on police shootings in Los Angeles and San Bernardino counties for KPCC’s Officer Involved project.
I attended Macalester College and the UC Berkeley Graduate School of Journalism and got my start in journalism at KFAI Fresh Air Radio in Minneapolis.
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Stories by Aaron Mendelson
Last week's crash on the I-5 freeway brought home the high toll of big rig collisions in road damage, traffic delays and human life on Southern California's roadways.
This user-friendly database shows vaccination exemption rates for incoming kindergartners at schools in Los Angeles, Orange, Riverside, San Bernardino and Ventura counties, based on data from the California Department of Public Health.
Metro drew 130,000 rides on its bike share system from July to March, but it will take more users to hit its mark. Drier spring and summer weather should help.
Metro's bike share network logged more than 130,000 trips in its first nine months. Using this map, you can explore the number of trips that started and ended at each of the network's Downtown Los Angeles stations.
Just how much rain has the region received? Quite a bit: 120 percent of a typical full year, in just six months. That's helped with the drought.
Californians bought guns at a blazing-fast pace in 2016, setting a record for the most guns ever sold in the state, at 1.3 million, according to state data.
Particulate matter pollution is typically worse in the winter, but this year's storms have made for one of the clearest winters in years.
Officer Kevin Ferguson has been on the force less than four years. Meantime, a KPCC analysis found off-duty officers are more likely to be charged with a crime than on-duty cops.
Anaheim police say charges could be filed against any or all involved in an altercation between an off-duty officer, who discharged his weapon, and a group of teens.
If passed, construction developments that exceed LA's current zoning rules would be banned for 2 years. Supporters say it would stop developers from ramming construction into already-packed parts of the city. Opponents say a ban would mean less housing supply and higher rents.
The Los Angeles City Council on Wednesday approved a multi-million dollar settlement with the family of Ezell Ford, a 25-year-old shot and killed by LAPD officers in 2014.
As the Los Angeles Police Commission considers loosening restrictions on making LAPD officers' body cam videos public, KPCC has found that other cities in L.A. County have varying policies on the matter.
Ford's parents filed a civil lawsuit against the city after the 2014 officer-involved shooting. The dollar amount hasn't been made public. The city council is expected to approve the settlement on Feb. 8.
Long Beach saw a record rainfall total of 3.91 inches, while rainfall topped 4 inches in Ojai. Road-closing rockslides have been reported in Malibu.
Contributions to city and school board candidates in Los Angeles have zoomed past $8 million, according to campaign finance reports filed Tuesday.