Kansas City Preventative Patrol Experiment
Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Introduction
- Traditional policing
- Amounts to throwing money at the crime problem
- Is unimaginative
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Crime Control in America: What Works?
CHAPTER
Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Traditional Policing
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Introduction
- Traditional policing strategies include:
- Hiring cops
- Freeing up resources
- Random, preventive patrol
- Rapid response
- Residency requirements
- College degrees for cops
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
The Theory of Traditional Policing
- Traditional policing prizes deterrence theory
- Who cares?
- Some people cannot necessarily be deterred from committing crime
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does Hiring More Cops Reduce Crime?
- Common sense tells us that hiring more cops will reduce crime
- The problem?
- The police presence is spread thin
- Apprehension of additional criminals may actually give the impression that crime is on the rise!
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Reasons Why Hiring More Cops May Not Reduce Crime
- There are several reasons why hiring more cops may not reduce crime
- Police officers can't work around the clock
- Some cities have fewer police per citizen than others but less crime
- Police are not necessarily capable of deterring certain types of crime (e.g., crimes committed behind closed doors and out of view)
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Lessons From Kansas City
- The famous Kansas City experiment divided the city into:
- Proactive beats (with a stepped-up police presence)
- Reactive beats (police only responded to calls for service)
- Control beats (business as usual)
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Lessons From Kansas City
- Findings
- No significant reductions in proactive beat
- People didn't even notice!
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
The Post-Kansas City Intellectual Debate
- The Kansas City experiment prompted many researchers to explore the relationship between police levels and crime
- The findings
- ??????
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
The Violent Crime Control Act of 1994
- $ Billions to local law enforcement
- "COPS Office" created
- 100,000 new cops
- Has the Act made a difference?
- One recent study concludes it has
- Authors claimed that increases in hiring reduce violent and property crimes
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
What Happens When the Police go on Strike?
- Findings?
- Increase in crime during Helsinki, Finland police strike
- Increase in crime during Montreal police strike
- Both studies dealt with strikes far in the past
- Today police are often prohibited by law from striking
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
What Happens When the Police go on Strike?
- Who cares?
- The police strike-crime relationship offers evidence that additional hiring won't be counterproductive and that police are essential
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
A Very Thin Blue Line: Is There Really a Police Presence?
- When factoring in shifts, vacation, sick leave, and the like, the size of the typical police force is reduced substantially
- How many of the officers are driving around, engaged in routine preventive patrol at any given time?
continued on next slide
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
A Very Thin Blue Line: Is There Really a Police Presence?
- It is actually a miracle that police presence (however minute) can affect crime throughout the United States.
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
What Are They Doing on the Job?
- Police efforts need to be directed to specific problems
- Some research suggests that hiring more police, even with virtually no attention to what they are doing, can reduce crime.
continued on next slide
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
What Are They Doing on the Job?
- COP grants were funded to increase the amount of community policing throughout the United States, but it is not clear to this day how many of the funded agencies actually engage in COP activities.
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does it Work?
- Hiring more cops is not counterproductive
- Recent studies show more cops = less crime
- Police strike literature tells us the police perform a valuable function
- We cannot conclude with 100% certainty that hiring more cops reduces crime, but it certainly helps
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Freeing Up Resources
- If hiring is not possible, then "cutting the fat" and freeing up police resources may help
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Freeing Up Resources
- Methods of freeing up resources include:
- Eliminating two officer patrols and replacing them with one officer patrols
- Implementing 311 systems
- Carefully examining (and possibly changing) what officers do while on the clock
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
One Versus Two Officer Patrols
- Studies on one versus two officer patrols have concluded that
- Patrol staffing mode has almost no effect on police effectiveness
- Single-officer staffing increases visibility, but has almost no effect on crime
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
One Versus Two Officer Patrols
- Studies on one versus two officer patrols have concluded that
- Two officer patrols are (big surprise) twice as costly as one officer patrols
- Patrol activity levels are comparable between both staffing methods
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
311
- 311 alternative to 911
- Frees up time
- Does 311 work?
- There's almost no research available on 311
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
311
- Does 311 work?
- Available research shows
- 311 may reduce overall calls to 911
- 311 does not reduce officer response time
- 311 does not free up uncommitted blocks of time
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Patrol Downtime Studies
- Some studies show that as much as 60 percent of police officers' time on duty is uncommitted
- Can their routine duties be altered?
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does it Work?
- The evidence in favor of one versus two officer patrols, 311, and reducing patrol downtime is not encouraging
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
The Problem with Being Reactive and Random
- Reactive policing is not very effective
- How do we know?
- Comparisons of crime rates and arrest rate
- Not much of a link between crime rate and arrest rate
- Targeted arrests (e.g., domestic violence)
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Domestic Violence Arrests
- Two strains of research
- Effect of anti-domestic violence laws on domestic violence
- Mandatory arrest for domestic violence
- Minneapolis Domestic Violence Experiment (1984)
- Arrest, separation, and counseling
- Supported arrest
- Much conflicting evidence since then
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Rapid Response
- Many people feel that getting cops to the scene of a crime faster will reduce crime
- What does the research show?
- No clear relationship between response time and probability of arrest
- Few crimes are "hot"
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Random Patrol
- Can police officers deter crime by randomly driving around?
- Probably not
- Why?
- Kansas City Experiment
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does it Work?
- Reactive and random policing is not effective
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Detective Work and Crime
- Patrol is arguably the most significant priority to most American police agencies.
- Investigations would fall in 2nd place
- Approximately 60 percent of police personnel are assigned to patrol, and 15 percent are assigned to investigations
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Private Policing
- Private police outnumber public police 3 to 1
- Store detectives
- Security guards
- Why private police?
- Privatization
- Mass private property
- Public police ineffective
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does it Work?
- Despite all the attention to private policing, it remains to be seen whether it is any more or less effective than public policing.
- In all likelihood, it may fall victim to the same fate as traditional policing in general.
continued on next slide
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
Does it Work?
- This is especially true if private policing is used to engage in traditional functions such as random patrol and rapid response.
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Crime Control in America: What Works?, 3e John L. Worrall
Copyright © 2015, 2008 by Pearson Education, Inc. All Rights Reserved
College Degrees for Cops
- Advantages
- Broader base for decision-making
- Arguments against
- Restricted applicant pool
- Education does not improve crime fighting abilities
- What does the research show?
- Don't know if crime is affected
- May affect decisions to use force
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