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

Water use ticks up again across California

Californians are using more water now than in 2015 and 2016, when mandatory measures were in place to conserve water during a five-year drought.

How affordable housing keeps LA economically segregated

The vast majority of housing for low-income renters in Los Angeles has been built in the county's very poorest neighborhoods. The research says that's a problem.

LA responds to mayor's record-breaking fundraising

Some LA residents reacted with anger on learning of the nearly $32 million in contributions raised by Mayor Eric Garcetti for favored causes, some from companies that do business with the city.

Chart: Los Angeles Mayor Eric Garcetti's behested payments

While Los Angeles has tight controls on the amount of money citizens can donate to campaigns, there's no limit on the amounts of cash people, foundations, nonprofits and corporations can donate to government and charity at a politician's behest.

'A tricky area of philanthropy': LA mayor solicits millions for his favored causes

Mayor Eric Garcetti has used a little-known mechanism to raise $31.9 million in four years. Public records show some of the contributors do business with the city.

California police use force at a higher rate against blacks, data shows

The state collected police shooting and use of force data for the first time — and found black people are shot at or hurt at triple their proportion of the population.

Water use jumps in dry, inland Southern California

Californians used five percent more water per capita this June than in 2016, when the state was suffering through a fifth year of drought. Gains were higher in some areas of SoCal.

A fairytale ending for (at least some) Alfred Angelo bridesmaids

At least three bridesmaids got their dresses, despite the company's abrupt closure. Its bankruptcy filing suggests more than 2,000 Californians await dresses.

Port proposal to clean up the air could cost up to $14B

The plan relies heavily on incentives to switch trucks and equipment over to zero emission technology, which critics say will not be ready, or cost effective, in time.

How legal pot could cut California’s police searches dramatically

Colorado and Washington saw searches by police officers fall sharply after legalizing marijuana — a trend that could have implications for California.

Map: See where the 34th Congressional District race was won

Gomez trounced Ahn by putting up big margins at precincts in Downtown Los Angeles and East Los Angeles. Explore precinct-level, semi-official results in this map.

Water saving efforts slipped in April, after drought ended

Californians used more water this April than they did in April 2016, according to state data. SoCal's water use was behind the uptick.

Fundraising in congressional race making race competitive

Voters in the 34th Congressional District in the Los Angeles pick their next U.S. House member Tuesday. If fundraising is any indication, the results may be close.

Final LA city election results settle pair of close races

Monica Rodriguez will be headed to the Los Angeles City Council and KellyGonez will join the L.A. Unified School District board, according to final election results.

Officer Involved: Drugs and alcohol pervasive in San Bernardino County police shootings

An investigation by KPCC and The San Bernardino Sun found more than 70 percent of 103 people shot by officers in San Bernardino County in a six-year period disclosed or tested positive for substance use.