Areas of Forensic Expertise and Expert Testimony
Nil Buckley is a nationally recognized domestic violence evaluator, treatment provider, author, trainer, and expert witness with more than a decade of experience in forensic and court-involved practice across criminal, dependency and neglect, and domestic relations cases. Since 2015, she has provided expert testimony and has been qualified as an expert in multiple Colorado jurisdictions.
Her areas of expertise include domestic violence, coercive control, post-separation coercive control, victim trauma, offender and forensic evaluation, mental health, substance use, and treatment. She has evaluated and testified in complex matters involving attempted murder, strangulation, reactive abuse, escalation, victim and survivor responses, offender risk, treatment needs, and the impact of domestic violence exposure on children and adolescents.
Ms. Buckley’s work includes cases involving preschool-aged children, school-aged children, and teenagers exposed to domestic violence, including matters involving trauma-related symptoms, behavioral dysregulation, aggression, and conduct-disorder-like behaviors. Drawing from both clinical and forensic experience, she provides opinions that integrate domestic violence dynamics, coercive control, trauma, child development, mental health, substance use, parenting concerns, and treatment responsivity with clinical precision and legal relevance.
Areas of Expertise
Domestic violence and coercive control in criminal and civil proceedings
Domestic relations cases involving divorce, parenting time, allocation of parental responsibilities, and allegations of abuse
Complex homicide and murder cases involving self-defense, reactive violence, violent resistance, and victims who used force against an abusive partner
Evaluation of whether a person’s use of force occurred within a broader pattern of coercive control, victimization, entrapment, or self-protection
Domestic violence victim assessments and trauma-informed analysis of survivor behavior
Criminal domestic violence evaluations, including pre-plea, pre-sentence, post-sentence, diversion, probation, and treatment-amenability matters
Domestic violence perpetration, risk assessment, recidivism, lethality, accountability, and treatment needs
Juvenile criminal and transfer hearing cases involving the impact of childhood exposure to domestic violence, abuse, trauma, and family instability on adolescent development, behavior, risk, and decision-making
Assessment of how exposure to domestic violence may contribute to emotional dysregulation, trauma responses, aggression, survival-based behavior, substance use, and justice-system involvement among youth
Dependency and neglect proceedings involving domestic violence, child abuse, child neglect, parental functioning, and family safety
The impact of domestic violence and coercive control on children, parenting, attachment, and family functioning
Immigration-related forensic and psychosocial assessments for individuals seeking asylum or other humanitarian relief, including evaluation of trauma, domestic violence, persecution, coercive control, and the psychological impact of victimization
Culturally responsive assessment of immigrant clients, including the effects of migration, language barriers, family separation, legal vulnerability, acculturation stress, and immigration-related abuse
Substance use evaluations, co-occurring disorders, and the relationship between substance use, trauma, risk, and offending behavior
Mental health evaluations involving forensic, correctional, court-involved, and child welfare populations
Female defendants and the distinction between coercive abuse, situational violence, reactive violence, violent resistance, and self-defensive conduct
Military and veteran populations affected by trauma, intimate partner violence, substance use, and justice-system involvement
Cultural, immigration, and language-related factors affecting domestic violence assessment and treatment
Forensic review and rebuttal of prior domestic violence evaluations, reports, and professional opinions
Blind expert testimony and educational testimony regarding domestic violence dynamics, coercive control, victim behavior, trauma responses, and patterns of abuse