Areas of Research and Expertise:
- Mass Shootings
- School Shootings
- Violence Prevention
- Mental Illness and Crime
- Crisis Intervention
- Suicide Prevention
- Police Crisis Calls
- Cyber-Violence
- Data-Driven Public Policy
Peer-Reviewed Journal Articles:
- Preventative Medicine (2022): US public shootings since Columbine: Victims per incident by race and ethnicity of the perpetrator
- JAMA Network Open (2021): Communication of intent to do harm preceding public mass shootings in the United States, 1966-2019
- JAMA Network Open (2021): Presence of Armed School Officials and Fatal and Nonfatal Gunshot Injuries During Mass School Shootings, United States, 1980-2019
- Psychology, Public Policy, and Law (2021): Psychosis and mass shootings: A systematic examination using publicly available data
- The Police Journal (2019): Evaluation of “The R-Model” crisis intervention de-escalation training for law enforcement
- Journal of Crime and Justice (2018): Is Crisis Intervention Team (CIT) training evidence-based practice? A systematic review
- Aggression and Violent Behavior (2017): Cyber violence: What do we know and where do we go from here?
- Current Opinion in Psychology (2017): Group aggression
- Journal of Interpersonal Violence (2017): Developing an understanding of victims and violent offenders: The impact of fostering empathy
- Hamline Mitchell Law Review (2016): Understanding offenders with serious mental illness in the criminal justice system
- Journal of Threat Assessment and Management (2015)
- Preparing for possible shootings on campus: Is it worth it?
- Clinical Psychological Science (2015): Psychosis uncommonly and inconsistently precedes violence among high risk individuals
- Law and Human Behavior (2014): How often and how consistently is criminal behavior preceded by symptoms for offenders with mental illness?
- Law and Human Behavior (2012): Supervision practices in specialty mental health probation: What happens in officer-probationer meetings?
- Psychological Assessment (2011): If you want to know, consider asking: How likely is it that a patient will hurt themselves in the future?
- Law and Human Behavior (2011): Correctional policy for offenders with mental illness: Creating a new paradigm for recidivism
- Psychiatric Services (2010): Comparing the offense patterns of offenders with and without mental disorder: Exploring the criminalization hypothesis