Understanding risk assessment tools in Criminal Justice System
Risk assessment is a fundamental component of forensic and correctional practice. It assists professionals in evaluating the likelihood of future offending, identifying treatment needs, and informing decisions regarding supervision, intervention, and community safety.
Over the past several decades, risk assessment methods have evolved significantly. Early approaches relied heavily on professional judgement, whereas contemporary assessment practices increasingly utilise evidence-based tools that incorporate both static and dynamic risk factors. These developments have improved the consistency and reliability of risk evaluations and have strengthened the ability of practitioners to develop targeted intervention strategies.
This article provides an overview of major risk assessment approaches used within criminal justice and forensic settings and examines the strengths and limitations of commonly utilised assessment tools.
The Evolution of Risk Assessment
Bonta (1996) identified three generations of risk assessment within criminal justice practice:
- Unstructured Clinical Judgement
- Actuarial Risk Assessment
- Assessment of Criminogenic Needs and Dynamic Risk Factors
Each generation reflects advances in research and professional understanding regarding the prediction and management of offender risk.
Unstructured Clinical Judgement
The earliest generation of risk assessment relied upon what is commonly referred to as unstructured clinical judgement. This approach was widely utilised more than two decades ago and was based primarily on professional experience, clinical intuition, and subjective judgement (Harris & Hanson, 2010).
Under this model, practitioners assessed risk through individual case analysis, professional discussions, and personal observations. While the approach offered flexibility and allowed practitioners to consider unique individual circumstances, it lacked a standardised framework for evaluating risk factors.
Research subsequently identified significant limitations associated with unstructured clinical judgement. Decisions could vary considerably between professionals, and there was limited evidence supporting the reliability or predictive accuracy of assessments. As Craig, Beech and Harkins (2009) observed, risk judgements were often made without systematically considering empirically established risk factors or utilising a consistent method of interpretation.
Although clinical judgement remains an important component of forensic assessment, contemporary practice generally incorporates structured assessment frameworks to improve objectivity and consistency.
Strengths
- Flexible and adaptable to individual circumstances.
- Allows consideration of unique case factors.
- Draws upon professional experience and expertise.
Limitations
- High potential for assessor bias.
- Limited consistency between practitioners.
- Reduced predictive accuracy when compared with structured assessment methods.
Actuarial Risk Assessment
The second generation of risk assessment introduced actuarial methods based on empirical research and statistical prediction models. Actuarial risk assessments were developed in response to evidence demonstrating that unstructured clinical judgements frequently produced poorer predictive outcomes than structured approaches.
According to Grove and Meehl (1996), actuarial assessment involves the objective evaluation of factors that have been shown through research to be associated with recidivism. Rather than relying on subjective opinion, actuarial tools utilise specific risk indicators and predetermined scoring systems to estimate an individual’s likelihood of reoffending.
These assessments typically classify offenders into categories such as low, moderate, or high risk. The classification is derived by comparing an individual’s characteristics with data obtained from large groups of offenders whose offending outcomes are already known.
One of the principal strengths of actuarial assessment is its consistency. Evaluators apply established scoring criteria and risk classifications based on research findings, reducing the potential influence of personal bias (Bickley & Beech, 2001).
However, actuarial assessments are not without limitations. Their predictive estimates are derived from group data and may not fully capture the unique characteristics of an individual offender. Furthermore, these tools identify statistical associations rather than the underlying causes of offending behaviour (Taylor & Quayle, 2003).
Strengths
- Evidence-based and objective.
- Greater consistency across assessors.
- Strong predictive validity.
- Supported by extensive research.
Limitations
- Focuses on statistical prediction rather than causation.
- Less responsive to individual differences.
- Historically emphasised static risk factors.
Static-99
The Static-99 is one of the most widely used actuarial risk assessment tools for adult male sexual offenders. It is commonly utilised by forensic practitioners due to its demonstrated reliability and validity (Jackson & Hess, 2007).
The assessment examines ten historical factors associated with sexual recidivism, including age, relationship history, prior convictions, and previous sexual offending behaviour.
As its name suggests, the Static-99 focuses exclusively on static risk factors. These are historical characteristics that cannot be changed through intervention or treatment.
While the Static-99 provides valuable information regarding long-term risk, it does not assess current functioning, treatment progress, or changes in an individual’s circumstances over time.
Dynamic Risk Assessment: STABLE-2007 and ACUTE-2007
The third generation of risk assessment shifted attention towards criminogenic needs and dynamic risk factors.
The STABLE-2007 and ACUTE-2007 were developed to assess changeable risk factors among adult male sexual offenders and to monitor risk over time.
STABLE-2007
The STABLE-2007 examines 13 dynamic risk domains, including:
- Significant social influences
- Relationship stability
- Emotional identification with children
- Hostility towards women
- General social rejection
- Lack of concern for others
- Impulsivity
- Poor problem-solving skills
- Negative emotionality
- Sexual preoccupation
- Sex as a coping mechanism
- Deviant sexual preferences
- Cooperation with supervision
These factors can change through treatment, intervention, and behavioural development.
ACUTE-2007
The ACUTE-2007 examines short-term risk factors that may fluctuate over hours or days. According to Hanson et al. (2007), these factors include rapidly changing environmental stressors, emotional states, and situational pressures associated with imminent offending behaviour.
Strengths
- Measures changeable risk factors.
- Useful for treatment planning.
- Supports ongoing risk management.
- Tracks progress over time.
Limitations
- Requires comprehensive information gathering.
- More resource intensive than purely actuarial measures.
- Validation research continues to develop.
Structured Professional Judgement
Structured Professional Judgement (SPJ) represents a bridge between clinical expertise and research-informed assessment practices.
Rather than relying solely on statistical algorithms or professional intuition, SPJ frameworks require assessors to evaluate established risk factors while applying professional judgement to determine their significance within an individual’s circumstances.
Hart, Kropp and Laws (2003) describe SPJ tools as structured frameworks designed to support both risk assessment and risk management.
Strengths
- Balances research evidence with clinical expertise.
- Provides meaningful treatment targets.
- Supports individualised risk management strategies.
Limitations
- More time-intensive to complete.
- May be influenced by assessor bias.
- Requires specialist training and experience.
Risk of Sexual Violence Protocol (RSVP)
The Risk of Sexual Violence Protocol (RSVP) is a Structured Professional Judgement instrument developed to guide the assessment and management of sexual violence risk.
The RSVP identifies both static and dynamic risk factors and examines four broad domains:
- Sexual offending history
- Psychosocial adjustment
- Future plans
- Other case-specific considerations
Rather than producing a numerical score, the RSVP assists practitioners in developing a professional opinion regarding risk and appropriate management strategies.
Violence Risk Scale (VRS)
The Violence Risk Scale (VRS) is a comprehensive violence risk assessment tool that incorporates both static and dynamic risk factors.
Unlike many traditional actuarial measures, the VRS also measures changes in risk over time and provides useful information regarding treatment progress and intervention targets.
Research has demonstrated that the VRS has a moderate-to-high relationship with future violent behaviour and is widely utilised within correctional settings.
Spousal Assault Risk Assessment (SARA)
The Spousal Assault Risk Assessment (SARA) is specifically designed to assess the risk of intimate partner and domestic violence.
Developed by Kropp, Hart, Webster and Eaves (1995), the SARA examines four key domains:
- Criminal history
- Psychosocial adjustment
- History of spousal assault
- Current offence characteristics
The assessment assists practitioners in identifying risk factors associated with future violence and informing intervention planning.
Historical Clinical Risk Management-20 (HCR-20)
The Historical Clinical Risk Management-20 (HCR-20) is one of the most extensively researched Structured Professional Judgement tools used to assess violence risk.
The HCR-20 evaluates three domains:
Historical Factors
Past experiences and established risk indicators.
Clinical Factors
Current mental health, behaviour, and functioning.
Risk Management Factors
Future circumstances that may influence risk.
Douglas et al. (2015) reported that the HCR-20 has been extensively validated internationally and remains one of the most widely recognised approaches to violence risk assessment.
The tool has been successfully utilised across forensic mental health, correctional, and community-based settings and is applicable to both male and female populations.
Conclusion
Risk assessment is a cornerstone of effective forensic practice. Contemporary assessment approaches have evolved significantly from reliance on professional intuition towards evidence-based methodologies informed by research and structured decision-making frameworks.
While no single assessment tool is appropriate in every circumstance, modern forensic practice increasingly recognises the value of combining actuarial measures, dynamic risk assessment tools, and structured professional judgement approaches to develop a comprehensive understanding of risk.
By integrating research, clinical expertise, and ongoing risk management strategies, forensic practitioners are better positioned to support rehabilitation, enhance public safety, and inform evidence-based decision-making.
About the Author
Tanya Jordan is an experienced Forensic Social Worker and Accredited Mental Health Social Worker with T n J’s Assessment and Counselling Services. Tanya has extensive experience conducting forensic assessments, mental health assessments, risk assessments, and complex psychosocial assessments within criminal justice and community settings. She is committed to providing evidence-based services that support individuals, families, legal professionals, and organisations.
How T n J’s Assessment and Counselling Services Can Help
T n J’s Assessment and Counselling Services provides professional forensic assessments, mental health assessments, risk assessments, counselling, and specialised support services. Our approach combines evidence-based practice, professional expertise, and person-centred care to achieve meaningful outcomes for individuals and organisations.