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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 joined KPCC in 2014 and became a member of the station's investigative team in 2017
He holds a master's degree from the UC Berkeley Graduate School of Journalism. Prior to joining KPCC, his work had been published and aired by Reuters, Marketplace, KQED and Mother Jones. He got his start in journalism at KFAI in Minneapolis.
Stories by Aaron Mendelson
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.
Several of those districts are in Southern California, and many are on track to miss their conservation targets because they didn't cut enough over the summer.
The data cover details on why police shot 375 people in L.A. County. It's the first publicly available dataset of its kind in Southern California.
An effort by President Barack Obama to recall military gear from police departments has barely touched the thousands of pieces of equipment held by police in Southern California.
The last time an L.A. officer was charged for an on-duty shooting was 15 years ago. What makes it different from hundreds of other cases?
Police in Los Angeles County fatally shoot black people at triple their proportion in the population, an analysis by KPCC has found.
KPCC reviewed documents from the L.A. district attorney, medical examiner, the sheriff's department and others to examine officer-involved shootings.
More than 30 cities across Southern California are behind on their state-ordered water savings goal, and they will need to make substantial cuts to catch up.
A strong El Niño climate pattern is on its way to Southern California, and might bring with it some much-needed rain. But that precipitation could be a double-edged sword, raising the possibility of flooding in a region struggling with drought. Explore KPCC's map to see if you live in a flood zone.
In recent years, the city has received record numbers of complaints about graffiti from citizens—more than 120,000 in 2014, a number 2015 is on pace to top.
California Attorney General Kamala Harris debuted a new website for the state's crime data, but users will find far less information than the state actually collects.
In the first month of 2015, graffiti abatement crews cleaned away 270,000 square feet of graffiti, 46 football fields' worth of the stuff.