Aaron Mendelson

Data Reporter

Contact Aaron Mendelson

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

Search 2015-2016 kindergarten immunization levels in SoCal

This user-friendly database shows 2015-16 vaccination exemption rates for incoming kindergartners at schools across Southern California.

Deaths of homeless rose drastically in 2015 in OC

Deaths among homeless people in Orange County jumped 53 percent over the last two years, according to coroner's data.

FAQ: The California assault weapons ban

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.

More than 80 officer-involved shootings tallied in LA County in 2015

The number of shootings by police so far this year is up from 2014, when the district attorney counted 74 such incidents.

SoCal's Muslim community geographically, ethnically diverse

Southern California's Muslim community is small but diverse, spanning every county in the region and encompassing several ethnic and national backgrounds.

One-third of water districts miss the mark on conservation

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.

Officer Involved: Get the data behind the stories

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.

Military gear recall has little impact on local police

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.

Officer Involved: Why this cop was prosecuted for a shooting

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?

Officer Involved: Black people shot at disproportionate rate

Police in Los Angeles County fatally shoot black people at triple their proportion in the population, an analysis by KPCC has found.

Officer Involved: How we did it

KPCC reviewed documents from the L.A. district attorney, medical examiner, the sheriff's department and others to examine officer-involved shootings.

SoCal cities lagging on water savings hustle to catch up

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.

Flood zones in Southern California

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.

LA scrubs away 30 million square feet of graffiti each year

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.

Kamala Harris' crime data portal leaves out key details

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.