crime risk assessment
TRANSCRIPT
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Crime Risk AssessmentAligning CPTED & situational crime prevention with the new ISO standards for risk assessment & risk management
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Why align crime prevention with risk assessment / risk management?
Provides a structured approach
Ensures understanding of crime context
Facilitates defensible decisions
Delivers reproducible results
remember, Consistent is not the same Accurate!
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The ISO Standards
http://www.iso.org
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Other/previous standards
http://www.csa.cahttp://www.saiglobal.com
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A few definitions
Crime Prevention … The anticipation, recognition and
appraisal of a crime risk and the initiation of some action to remove or reduce it (UK Home Office)
Crime Risk … An illegal or socially undesirable event,
described in terms of the event and the consequences
e.g. the risk of injury to community members through assault in the alley
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Key points about “crime risk”
To be effectively assessed it must be clearly defined
Risk doesn’t have to be quantified to be understood, but the level of risk must be able to be interpreted
Context is critical to identifying and understanding risk
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A few definitions
Risk Management includes the application of logical and systematic methods for…
communicating and consulting throughout the process
establishing the context for identifying, analysing, evaluating and treating risks
monitoring & reviewing risks
reporting and recoding the results
ISO 31000
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A few definitions
Risk Assessment is part of Risk Management – it attempts to answer the following fundamental questions…
What can happen & why (risk identification)
What are the consequences (various contexts)
What is the probability of occurrence?
What factors mitigate the consequences or reduce the likelihood that a risk will be realised? ISO 31010
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Approaches to crime prevention
Victim Focused
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Approaches to crime prevention
Victim Focused
Offender Focused
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Approaches to crime prevention
Victim Focused
Offender Focused
Community Focused
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Approaches to crime prevention
Victim Focused prevention
Offender Focused prevention
Community Focused prevention
Situation / Environment Focused
What makes it more likely?
What are the consequences?
What mitigates the risk?
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Likelihood
Consequences
RISK
Two (2) essential elements
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… but really 3 dimensions
RISK
Perceptions
Q850
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Establish Context
Identify Risks
Analyse Risks
Evaluate Risks
Treat Risks
Monitor&
Review
Comm-unicate
&Consult
Assess Risks
ISO 31000
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Preliminary
Analysis
Initiation
Risk
Estimation
Risk
Evaluation
Risk Control
Action /
Monitoring
Ris
k C
om
mu
nic
ati
on
Decision Point
Decision Point
Decision Point
Decision Point
Canadian Q850
Risk Management
Decision-Making
Process
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Alignment with CPTED & Situational Crime Prevention
Need to achieve specific outcomes… e.g.
improved quality of life,
enhanced use of space,
lower crime risk, etc.
Need to understand factors that run contrary to required outcomes
Need to identify & implement appropriate strategies
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Alignment with CPTED & Situational Crime Prevention
You need to be able to describe risks accurately in order to analyse / assess… but,
You don’t need to analyse / assess every possible risk
Useful to draw up a matrix with key stakeholder issues / possible risk events associated with those issues / consequence considerations
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CPTED & other CP theories…
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Describing Risk
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ISO 31010 ALARP Diagram
ALARP = as low as reasonably practicable
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Q850 Risk Evaluation
Estimate and integrate benefits and costs
Assess stakeholder acceptance of risk
Q850
ALARA = as low as reasonably acceptable
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Feasibility test for strategies
Is the strategy…
Philosophically compatible
Operationally appropriate
Fiscally responsible
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The 100% rule…
http://www.hfg-offenbach.de
FLORIAN KLEENE
Just because a strategy isn’t 100% effective, it doesn’t
mean it shouldn’t be used
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Aligning CPTED with structured risk
management…
Allows you to do desk-top validation of effectiveness
Likelihood before = x
Range of Consequences before = a, b, c
Risk level before = y
… apply strategy …
Likelihood after= n
Range of Consequences after = a, b, c
Risk level after= z
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The key to assessment is data
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10-15
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… on what are you basing your assessments?
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Models in use…
ModelRisk =
Site Opportunity x
Area Context
Area Context =
Consequences x
Crime Expectation
NSW Safer by Design
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Models in use…
Rew
ard
OpportunityAttractiveness
Very Low
Low
Moderate
High
Very High
Very Low
Very Low
Very Low
Very Low
Very Low
Very Low
Low
Very Low
Very Low
Low
Low
Low
Moderate
Very Low
Low
Moderate
Moderate
High
High
Very Low
Low
Moderate
High
Very High
Very High
Very Low
Low
High
Very High
Very High
Att
ract
iven
ess
Base Crime WeightingLikelihood
Very Low
Low
Moderate
High
Very High
Very Low
Rare
Rare
Rare
Rare
Rare
Low
Rare
Rare
Unlikely
Unlikely
Unlikely
Moderate
Rare
Unlikely
Possible
Possible
Likely
High
Rare
Unlikely
Possible
Likely
Almost Certain
Very High
Rare
Unlikely
Likely
Almost Certain
Almost Certain
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…but don’t forget about perceptions
Stakeholder perceptions are influenced by:-
Degree of personal control over risk event
Potential catastrophic consequences
Level of “dread” regarding consequences
(Any) Benefits associated with risk
Degree to which exposure is voluntary
Degree of familiarity with risk eventQ850
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Conclusions
ISO 31000 provides a structured / defensible approach
ISO 31010 includes a wide range of risk assessment tools & techniques
Alignment with ISO standards delivers accuracy & reliability
Alignment with ISO standards enhances credibility of assessments
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just remember…
if you lock the barn after the horse has bolted…
all you will be protecting is horse shoes…
… understand your crime risks in the true sense of the term and you will reap the benefits