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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
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.
The move follows controversies over grenade launchers and a mine resistant vehicle the district obtained through the program, known as 1033.
Many water officials in Southern California will need to cut back more at home to help their districts meet reduction targets, a KPCC analysis has found.
Homelessness is on the rise in Los Angeles County, up 12 percent in the last two years. And more and more homeless people are sleeping in vehicles, including RVs and campers. KPCC mapped the areas of L.A. County that are home to people living in those vehicles.
County supervisors followed L.A. city leaders in increasing the county's minimum wage to $15 an hour by 2020. The decision will affect those who work in unincorporated areas of the county.
Data portals have sprung up across Southern California, and could expand further if bills in the California legislature pass this session. So how much do they cost?
The Los Angeles Police Department has killed 10 people so far in 2015, more people than any other agency in the nation.
Employees at L.A.'s transportation department maintained "nearly super-human work schedules" and claimed overtime at rates higher than any other department except the LAFD.
President Obama signed an executive order this week halting the transfer of certain military equipment to police agencies. How much of it is in So Cal?
Political action committee spending in this year's Los Angeles Unified election is 15 times higher than it was 2009. Many donors aren't disclosed ahead of elections.
Residents of higher-income areas in Southern California used more water in March than their lower income neighbors, a KPCC analysis found.
Many eyes have turned to the manicured lawns, swimming pools and fountains in wealthy communities, with the assumption that wealthy Californians use more than their share of the state's water. So do they?
The California legislature is considering a trio of bills that would crack open the state's vast amounts of public data.