Why ShotSpotter Case Clearance Depends on More Than Tech
New Chicago research on ShotSpotter and CCTV case clearance: 15 years of data show sensors and cameras alone don’t close cases. Here’s what actually does the job.
Crime Reduction & Investigations
What works to prevent crime and solve cases.
How Philadelphia Achieved Gun Violence Reduction with LED Street Lights
Philadelphia’s LED street lighting upgrade reduced gun violence 21% and outdoor nighttime crime 15%. Evidence-based crime prevention for law enforcement.
Police Interrogation and False Confessions: What the Research Really Shows
Learn how evidence-based police interrogation methods like PEACE increase true confessions and reduce false ones, protecting the innocent and solving crimes.
Are Real-Time Crime Centers Worth It? The Truth About RTCC Impact
Do Real Time Crime Centers work? New evidence shows stronger cases and more arrests even if convictions don’t change.
How to Prioritize Which Burglary Cases to Investigate
A research-backed way to prioritize burglary cases using solvability factors and a free calculator to help agencies decide which cases to investigate.
Risk Terrain Modeling: How to Reduce Crime by Targeting Places
Robberies dropped 63% in four months by focusing on high-risk places, not more arrests. Learn how simple, place-based strategies drive big crime reductions.
Why Quick Police Action Can Hurt Human Trafficking Victims
New research reveals how detective decisions shape outcomes in labor and sex trafficking cases and what victim-centered policing looks like in action.
CCTV and Crime: Insights from 11 Years of Research
A decade-long study shows how CCTV impacts crime over time, revealing when it works, when it fades, and why monitoring matters.
Why Police-Homeless Outreach Teams Don’t Always Work
Philadelphia tested a police–outreach co-responder model for homelessness. Learn what worked, what didn’t, and why training made all the difference.
Gunshot Detection: What the Data Really Shows
Gunshot detection promises faster response and more evidence, but does it actually reduce gun violence? See what the data from Kansas City reveals.
English