Donate
Independent, objective, nonpartisan research
photo - US court house

Criminal Justice

Evaluating policy reforms, prison programs, policing, and crime

photo - Policeman and Policewoman Looking Off Camera Near Police Car
Report · April 2026

Understanding Trends in Law Enforcement Staffing

photo - Police Traffic Stop in Rear View Mirror
Report · March 2026

Have Racial Disparities in Law Enforcement Stops Narrowed?

photo - Bail Bonds Sign
Report · November 2024

What Happened When California Suspended Bail during COVID?

View More Publications

Blog Posts

View More →
photo - Policeman and Policewoman Looking Off Camera Near Police Car
May 29, 2026

Police Agencies Face Obstacles with Hiring and Retention

Vicki Hsieh

photo - Police Traffic Stop in Rear View Mirror
March 24, 2026

PPIC Experts Discuss New Research on Racial Disparities in Law Enforcement Stops

Mary Severance

photo - Police Car with Blue and Red Lights on at Night
February 18, 2026

Homicides in California Have Decreased Dramatically

Magnus Lofstrom

Fact Sheets

View More →
photo - Shadow of Man Behind Bars
April 2026

California’s Prison Population

Luciana Susanto, Heather Harris

photo - Prison
February 2026

Crime Trends in California

Magnus Lofstrom, Mandi Acevedo, Joseph Hayes

photo - Police Units Arrive at the Scene of an Incident
January 2026

Arrests in California

Magnus Lofstrom, Brandon Martin, Luciana Susanto

photo of county jail fence
January 2026

California’s County Jails

Brandon Martin, Magnus Lofstrom

photo - Police Officers Talking to Each Other
January 2026

Law Enforcement Staffing in California

Brandon Martin, Deepak Premkumar, Mandi Acevedo

photo - Police Cars with Emergency Lights on, at Night
Featured Blog Post · August 7, 2025

Mass Shootings in California

Read More →

Fact Cards

Homicides in California have fallen to a 40-year low.
→
California’s arrest rate rose for the first time in 20 years.
→
California’s prison population is the lowest in over thirty years.
→
Police stop and search Black and Latino residents more often than white residents.
→
California reported 28 mass shootings in 2025, over a third fewer than the prior year.
→
Those with mental health needs in California’s jail population rose to over 50%.
→
In officer reports, about 60% of deaths from use of force involve a person with a behavioral health condition.
→

Meet the Team

Mandi Acevedo

Research Associate

Email 415-291-4409
→

Heather Harris

Research Fellow

Email 415-291-4441
→

Magnus Lofstrom

Policy Director and Senior Fellow

Email 415-291-4454
→

Brandon Martin

Senior Research Associate

Email 916-440-1131
→

Deepak Premkumar

Research Fellow

Email 415-291-4464
→

Luciana Susanto

Research Associate

Email 415-291-4470
→