Can Stop-and-Frisk Be Both a Benefit and a Harm? The Evidence Says Yes

AI Summary: This AI article summarizes Ratcliffe et al. (2024), When is a Benefit a Harm? The Paradox of Stop, Question, and Frisk, published in Translational Criminology. Drawing on a panel discussion among leading policing researchers, the article examines the central paradox of proactive stop-and-frisk: evidence suggests that targeted investigative stops can reduce crime—particularly gun violence—but they can also produce measurable harms for individuals who are stopped. The article argues that these competing outcomes cannot be reduced to a simple cost-benefit calculation and that any policy decision ultimately reflects community values as well as scientific evidence.

Few policing tactics generate more disagreement than stop-and-frisk. Ask one person and it's an effective crime reduction strategy. Ask another and it's a harmful practice that undermines police legitimacy. The evidence suggests both perspectives contain elements of truth. This article summarizes findings from Ratcliffe, Braga, Nagin, Webster, and Weisburd (2024), published in Translational Criminology. Rather than presenting a single viewpoint, the paper captures a discussion among leading policing researchers about one of the most difficult questions in modern policing:

Can a policing strategy benefit a community while simultaneously harming some of the people who live there? 

The Research Doesn't Produce a Simple Answer

A recent systematic review found that proactive stop-question-frisk (SQF) programs were associated with approximately a 13% reduction in crime, with even stronger effects for gun crime. The same review also found evidence that people subjected to investigative stops were more likely to experience negative mental health outcomes, physical health impacts, reduced confidence in police, and increases in self-reported offending. Both findings can be true.

That's what makes this issue so difficult.

Stop-and-Frisk Isn't One Single Activity

Public discussions often treat "stop-and-frisk" as though it were a single police action.

Legally, it isn't. Police interactions exist along a continuum. An officer may simply approach someone and ask questions. Under reasonable suspicion, an officer may temporarily detain a person. If there is reasonable suspicion that the person is armed, the officer may conduct a protective frisk. With probable cause, broader searches become legally permissible. Lumping all of these interactions together under one label oversimplifies both the law and the research.

The Real Policy Question

The important question isn't whether investigative stops are legal. It's whether police departments should encourage proactive investigative stops as a crime prevention strategy.

The evidence suggests they can reduce violence. The evidence also suggests they can impose real costs on individuals. How should police leaders balance those competing outcomes?

There is no scientific formula that answers that question.

Why Gun Violence Changes the Conversation

The panel agreed on one important point. If proactive investigative stops are used, they should be focused on preventing the most serious forms of violence—particularly gun violence.

Gun violence imposes enormous human and economic costs. It is also concentrated geographically and disproportionately affects Black and Hispanic communities. These realities create a difficult policy dilemma. The communities most affected by gun violence are often the same communities most affected by proactive policing.

What Evidence-Based Policing Suggests

Although the panel did not reach complete agreement, several principles emerged.

If departments choose to employ proactive investigative stops, they should:

• Focus on gun violence rather than low-level offenses.

• Concentrate activity in high-risk places.

• Use intelligence to identify likely violent offenders.

• Ensure officers receive extensive legal and procedural justice training.

• Closely supervise operations.

• Prioritize preventing shootings rather than maximizing arrests or searches.

• Avoid "fishing expeditions" for unrelated criminal offenses.

• Continuously monitor community sentiment.

• Reduce proactive activity once violence declines.

  
  

These recommendations reflect an important shift. The question is no longer whether officers should stop as many people as possible. The question is how investigative stops can be conducted with precision, legality, and legitimacy.

Science Can Inform Policy—But It Cannot Make Value Judgments

One of the most important conclusions from the panel is that science has limits. Research can estimate crime reduction. Research can estimate individual harms. Research cannot determine how communities should weigh those competing outcomes. Those decisions ultimately belong to elected officials, police leaders, and the communities they serve.

Bottom Line

Evidence suggests that carefully targeted investigative stops may reduce serious violence. Evidence also shows they can produce harms for some of the people subjected to them. Both findings deserve attention. Rather than searching for a simple yes-or-no answer, police leaders should focus on making proactive policing more precise, more lawful, more transparent, and more responsive to community concerns. Evidence can guide that process. It cannot eliminate the difficult value judgments involved.

Research at a Glance

Research question: Can proactive stop-and-frisk reduce crime while minimizing harm?

Article type: Expert panel summary and policy commentary.

Published in: Translational Criminology (Fall 2024).

Primary conclusion: Scientific evidence supports both crime reduction benefits and individual harms. Policy decisions require balancing competing values rather than relying solely on empirical findings.

Frequently Asked Questions

Does stop-and-frisk reduce crime?

Current evidence suggests that proactive investigative stop programs can reduce crime, particularly gun violence, although effects vary by context.

Does stop-and-frisk harm communities?

Research indicates that investigative stops can negatively affect mental health, physical health, and public attitudes toward police for some individuals who are stopped.

Should police departments encourage stop-and-frisk?

The panel did not reach consensus. However, if departments employ proactive investigative stops, they should be highly targeted, legally justified, intelligence-led, and focused on preventing serious violence.

Why is there no simple answer?

Because crime reduction and individual harm measure fundamentally different outcomes. Science can estimate each independently but cannot determine how communities should balance them.

Citation

Ratcliffe, J. H., Braga, A. A., Nagin, D. S., Webster, D. W., & Weisburd, D. (2024). When is a benefit a harm? The paradox of stop, question, and frisk. Translational Criminology, Fall 2024.