Research
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A curated collection of peer-reviewed studies, government reports, and academic research on sexual offense recidivism, registry effectiveness, treatment outcomes, and evidence-based policy. AFC advocates for policies grounded in data — not fear.
Colorado-Specific Research & Data
HB 21-1280: SOMB Reform
Directed the SOMB to review and revise its standards to incorporate current research and evidence-based approaches. Expanded stakeholder input to include survivors, individuals on the registry, and family members.
SB 21-271: Criminal Law Recodification
Colorado’s comprehensive criminal law recodification reclassified many offenses and reformed sentencing, but largely preserved existing sex offense frameworks — a missed opportunity for evidence-based reform.
HB 19-1032: Comprehensive Human Sexuality Education
Requires that sex education offered in Colorado schools be medically accurate, evidence-based, and inclusive. A critical upstream prevention tool supported by three decades of research.
HB 19-1030: Juvenile Sex Offense Registration Reform
Reformed juvenile sex offense registration requirements, limiting registration for adjudicated youth and creating clearer pathways for discontinuation — recognizing developmental differences between juveniles and adults.
Colorado Sex Offender Management Board (SOMB) — Enabling Legislation
Establishes the SOMB and directs development of standards for assessment, evaluation, treatment, and monitoring. SOMB annual reports show sexual re-offense rates of 3–5% for treatment completers.
Colorado Sex Offender Registration Act
Colorado’s offense-based registry system. Unlike 14+ states that have moved to risk-based models, Colorado still classifies registrants by offense type rather than individualized risk assessment.
Collateral Consequences
Registration requirements are a minor inconvenience that don’t affect daily life.
Registration creates significant barriers to housing, employment, and social support — the very factors research shows reduce recidivism. Civil commitment costs over $300,000 per person per year with no demonstrated reduction in reoffending.
Civil Commitment of Sexually Violent Predators: Cost and Effectiveness
Found that civil commitment costs over $300,000 per person per year and does not demonstrate significant reductions in reoffending compared to evidence-based community supervision and treatment.
Sex Offender Registries Don’t Keep Kids Safe
Investigative report examining how sex offense registration and notification laws fail to protect children while creating significant barriers to housing, employment, and community stability for registrants.
For Registered Sex Offenders, An Uphill Civil Rights Battle
Examines the civil rights implications of sex offense registration, including barriers to housing, employment, education, and community participation that persist long after sentences are served.
Sex Offenders: Recidivism and Collateral Consequences
Examines the unintended consequences of public sex offense registries and their effects on reintegration. Documents how registration creates barriers to housing, employment, and social support — the very factors research shows reduce recidivism.
The Effect of Megan’s Law on Sex Offender Reintegration
Explores how community notification requirements complicate treatment and community corrections. Found that notification creates instability that undermines the goals of both public safety and rehabilitation.
No More Carveouts
“Almost all major criminal legal system reforms in the last 20 years have excluded people charged with or convicted of violent or sex-related offenses.” Documents how offense-based exclusions undermine the goals of criminal justice reform.
Prevention Research
Three decades of peer-reviewed research confirm that comprehensive sex education reduces both perpetration and victimization rates. The CDC classifies sexual violence as a public health problem requiring population-level prevention — not just criminal justice responses.
Evaluating Child Sexual Abuse Perpetration Prevention Efforts: A Systematic Review
Systematic review of prevention programs, evaluating what works in preventing child sexual abuse before it occurs. Supports a public health model of prevention over punitive post-offense approaches.
Empirically-Based Dynamic Risk and Protective Factors for Sexual Offending
Identifies dynamic (changeable) risk and protective factors for sexual offending, supporting prevention approaches that target modifiable factors rather than static characteristics.
Three Decades of Research: The Case for Comprehensive Sex Education
Thirty years of peer-reviewed evidence demonstrating that comprehensive sex education reduces both perpetration and victimization rates. Supports upstream prevention as the most effective intervention.
Comprehensive Sexuality Education as a Primary Prevention Strategy for Sexual Violence Perpetration
Research supporting comprehensive sexuality education as a primary prevention tool for sexual violence. Evidence shows that education about consent, healthy relationships, and boundaries reduces harmful behavior.
Fast Facts: Preventing Sexual Violence
The CDC identifies sexual violence as “a serious public health problem” and outlines prevention strategies including promoting social norms that protect against violence, teaching skills to prevent sexual violence, and creating protective environments.
Recidivism Research
Sexual offense recidivism rates are “frightening and high.”
Federal data shows sexual offense recidivism is among the lowest of any crime classification. The U.S. Sentencing Commission found only 0.2% of released individuals were rearrested for sexual assault over 8 years. BJS data shows 92%+ were never rearrested for a sex crime over 9 years. Risk declines predictably with each offense-free year.
Sex Offender Recidivism: Some Lessons Learned From Over 70 Years of Research
Comprehensive review of seven decades of recidivism research. Confirms that most individuals convicted of sexual offenses do not commit another sexual offense, and that risk decreases significantly over time.
The Length of Incarceration and Recidivism
Followed 32,135 federal individuals who reentered society in 2010 for eight years. Only 80 (0.2%) were rearrested for sexual assault — the lowest rate of any crime classification tracked.
Recidivism of Sex Offenders Released from State Prison: A 9-Year Follow-Up (2005–2014)
Among 20,195 individuals released from state prisons in 2005 after serving sentences for rape or sexual assault, 8% were arrested for a new sex offense during the 9 years after release — well below re-arrest rates for most other crime categories.
Reductions in Risk Based on Time Offense-Free in the Community
Demonstrates that sexual recidivism risk declines predictably with each year spent offense-free in the community. After 10–15 years without a new offense, most individuals pose no more risk than the general population — undermining the rationale for lifetime registration.
Oregon Recidivism Analysis
Found that individuals with sexual offenses reoffended with any crime at 17% — significantly less than half the 45% rate for all newly released individuals. Confirms that sexual offense recidivism is among the lowest of all crime categories.
Predictors of Sexual Recidivism: An Updated Meta-Analysis
Updated meta-analysis confirming that sexual deviancy and antisocial orientation are the strongest predictors of sexual recidivism. Supports individualized risk assessment over blanket policies based on offense type.
Sexual Assault of Young Children as Reported to Law Enforcement
Found that 93% of child sexual abuse is committed by someone known to the child — family members, acquaintances, or trusted adults — not strangers on a registry. Undermines the foundational premise of public notification systems.
Predicting Relapse: A Meta-Analysis of Sexual Offender Recidivism Studies
Meta-analysis of 61 follow-up studies covering 23,393 individuals. Found an average sexual offense recidivism rate of 13.4% over 4–5 years. Recidivism was best predicted by measures of sexual deviancy and prior offenses, not offense category alone.
Sexual Crime Reporting and New Offense Patterns
Found that approximately 95% of new sexual crime is committed by individuals with no previous sexual offense conviction — meaning registries, by design, cannot address the vast majority of sexual harm.
Registry Effectiveness
Public registries protect communities by tracking dangerous individuals.
Over 95% of sexual offense arrests involve first-time offenders not on any registry. A meta-analysis of 25 years of research found no statistically significant impact on recidivism from registration and notification laws. Community notification can actually increase recidivism by destabilizing offenders’ lives.
Registries Are Ineffective — NARSOL White Paper
Comprehensive analysis of registry effectiveness drawing on decades of peer-reviewed research. Concludes that public registries do not reduce sexual offending and create counterproductive barriers to reintegration.
Registration and Community Notification of Adults Convicted of a Sexual Crime: Recommendations for Evidence-Based Reform
“The research to date on SORN[A] has not identified significant reductions in the incidence of sexual abuse or sexual offense recidivism as a result of this policy. Current practices have numerous unintended consequences that potentially increase, rather than decrease, risk factors for individuals required to register.”
Do Sex Offender Registration and Notification Laws Affect Criminal Behavior?
Found that while registration may modestly deter registered individuals, community notification can actually increase recidivism by destabilizing offenders’ lives. Highlights the unintended consequences of public shaming approaches.
Megan’s Law: Assessing the Practical and Monetary Efficacy
New Jersey study examining registry and notification impact on sexual offense rates, community reentry, and costs. Found no statistically significant reduction in sexual re-offending attributable to the registry.
Sex Offender Registration and Notification: Limited Effects in New Jersey
Companion study finding that Megan’s Law had no demonstrable effect on sexual offense patterns, time to first re-arrest, or community tenure.
Does a Watched Pot Boil? A Time-Series Analysis of New York State’s Sex Offender Registration and Notification Law
Found that sex offense registration and notification laws did not reduce the number of sex offenses or sex offense arrests in New York State, and that the majority of sex offenses are committed by first-time offenders who would not appear on any registry.
No Easy Answers: Sex Offender Laws in the US
Landmark report concluding that sex offense laws in the United States may do more harm than good. Documents how registration, notification, and residency restrictions undermine rehabilitation and fail to improve community safety.
Regulating the Lives of Former Sex Offenders
Examines how the inclusiveness and breadth of sex offense registries undermine public safety goals. Argues that over-inclusive registries dilute resources and attention from the highest-risk individuals.
Treatment Effectiveness
Meta-analyses consistently show that evidence-based treatment programs reduce sexual recidivism by 26%+. Community-based cognitive-behavioral programs following Risk-Need-Responsivity principles show the strongest effects. Treatment works — and it works better than punishment alone.
Moderators of Sexual Recidivism as Indicator of Treatment Effectiveness: An Updated Meta-Analysis
Updated meta-analysis confirming treatment reduces sexual recidivism, with larger effects for programs using validated risk assessment, structured treatment protocols, and community-based delivery models.
Sexual Offender Treatment Effectiveness Within Cognitive-Behavioral Programs: A Meta-Analytic Investigation
Meta-analysis of 38 studies found sexual recidivism was lower for treatment groups (12.3%) than comparison groups (16.8%), representing a 26.4% reduction in sexual recidivism after treatment. CBT-based programs showed the strongest effects.
The Effectiveness of Treatment for Adult Sexual Offenders
Government review of treatment literature concluding that evidence-based treatment programs reduce sexual recidivism. Highlights the importance of matching treatment intensity to assessed risk level (Risk-Need-Responsivity model).
Evidence-Based Practices (EBP)
Framework defining evidence-based practice as “the objective, balanced, and responsible use of current research and the best available data to guide policy and practice decisions.” Supports risk-based, individualized approaches over one-size-fits-all policies.
The Good Lives Model
A strengths-based approach to offender rehabilitation that complements risk management with positive goal-setting. Research shows that helping individuals build fulfilling lives reduces recidivism more effectively than purely restrictive approaches.
Research Drives Reform
Decades of peer-reviewed research support evidence-based reform. Help us move Colorado toward policies built on data, not fear.