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Aaron Mendelson works on KPCC's data journalism and interactive projects.
At KPCC, he has used data to shine a light on the avalanche of outside money in local politics, spiking firearms sales, Los Angeles' bicycle infrastructure, and police militarization. He helped build a unique database on officer-involved shootings in Los Angeles County for KPCC's Officer Involved project.
Aaron holds a master's degree from the UC Berkeley Graduate School of Journalism. Prior to joining KPCC, he worked as a freelancer for Reuters, Marketplace, KQED and Mother Jones. He got his start in journalism at KFAI in Minneapolis.
Aaron grew up in Iowa. An avid music fan, he is the author of the 2012 book "American R&B: Gospel Grooves, Funky Drummers & Soul Power."
Stories by Aaron Mendelson
Real-life science lessons in Lincoln Heights are leading to student advocates for cleaner air.
How much rain has El Niño brought this winter? We crunched rainfall data from 20 rain gauges in greater Southern California to get an answer.
Living next to heavy traffic can be harmful to children's health. Yet dozens of child care centers in Los Angeles County are located next to heavily-trafficked highways.
A KPCC investigation found 169 childcare centers located too close to highly-trafficked freeways, putting small children's health at risk.
LAPD officers shot then-gang member Robert Contreras in the back and left him paralyzed. Officers thought he had a gun, but he ended up being unarmed.
Cristian Rene Medina, 23, allegedly took a "shooting stance" and pointed his hands at deputies responding to reports of a robbery. No gun has been found.
The school district's police force turned in rifles under public pressure but continues to hold onto pistols, rifles and other military-style weapons.
The L.A. area got drenched Sunday, with some areas getting up to three inches of rain. It's an El Niño year. So how does this year's rainfall compare to normal?
How much rain has El Niño brought to the Los Angeles area? We crunched rainfall data from 20 rain gauges in greater Southern California to get an answer.
New data shows that Californians rushed to purchase guns last month, especially in the days after the San Bernardino shooting.
This user-friendly database shows 2015-16 vaccination exemption rates for incoming kindergartners at schools across Southern California.
Deaths among homeless people in Orange County jumped 53 percent over the last two years, according to coroner's data.
Rifles used in a mass shooting at a Dec. 2 holiday party at the Inland Regional Center in San Bernardino were legal to purchase in the state of California. However both had been modified to make them illegal under the state's assault weapons ban. Here's a primer on that ban.
The number of shootings by police so far this year is up from 2014, when the district attorney counted 74 such incidents.
Southern California's Muslim community is small but diverse, spanning every county in the region and encompassing several ethnic and national backgrounds.