Rutgers Center on Public Security | The Place for Spatial Risk Analysis

Risk Terrain Modeling Works to Reduce Crime!

In 2012, the National Institute of Justice (NIJ; award #2012-IJ-CX-0038) funded Risk Terrain Modeling and risk reduction research in 6 US cities (Arlington, TX; Chicago, IL; Colorado Springs, CO; Glendale, AZ; Kansas City, MO; and Newark, NJ). Co-Principal Investigators: Leslie Kennedy, Joel Caplan and Eric Piza.

The quasi-experimental project had two primary goals: 1) to replicate and validate RTM in multiple jurisdictions and across many different crime types; and, 2) to evaluate intervention strategies targeted at high-risk places within each city.
Policing strategies targeted at high risk places resulted in as much as 35% fewer gun crimes in Newark, 33% fewer Motor Vehicle Thefts in Colorado Springs, and 42% fewer robberies in Glendale, among many other positive outcomes.
RTM took the focus off of people and put it on places that persistently enabled illegal behaviors. This NIJ project emphasized evidence-based decision-making, problem solving, transparency, better utilization of resources, and sustainability.
Download the final technical report or the results in brief

See also:
  • Conjunctive Analysis (supplemental) Report (PDF)
  • Commentary on risk-based intervention planning, w/ 1-page vignettes from the NIJ study (Link)
  • "Getting Started" with Risk-Based Policing (Link)

Stay informed of RTM news and insights by joining the Risk Terrain Modeling Google Group. Access all of the free data, tutorials and other resources at

Risk Terrain Modeling by the numbers: There have been more than 14,000 downloads of RTM resources. Hundreds of RTMDx licenses have been granted to users around the world and in 32 states in the United States, plus the District of Columbia. RTM is reportedly now used by researchers or practitioners in over 30 countries across 6 continents.
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