(You can also visit Dr. Lankford’s Google Scholar page)
Major Research Areas Include:
Mass Shootings
Studies of perpetrators’ psychological tendencies, homicidal intentions, mental health problems, suicidal motives, fame-seeking tactics, copycat behavior, and firearms acquisition–along with strategies that could reduce the prevalence of their attacks.
You can view most recent studies or studies by subject area.
Please contact Dr. Lankford or click below if you would like any of these articles.
Subject Areas (click to view):
- How the United States Compares to Other Countries
- How Mass Shooters Compare to the Average American and Other Groups
- How Mass Shooters Compare to Suicide Terrorists
- Trends: Incidents Becoming Deadlier
- Firearms Access
- Mental Health Problems
- Fame-Seeking Shooters, Media Coverage, and Copycat Effects
- Sexual Frustration and Incels
- Suicidal Motives
- Race/Ethnicity
- Mass Shooting Prevention
- Other
Most Recent Mass Shooting Studies:
- 2024 – Similarities between Copycat Mass Shooters & Their Role Models: An Empirical Analysis with Implications for Threat Assessment and Violence Prevention (Journal of Criminal Justice)
- 2024 – The Gamification of Mass Violence: Social Factors, Video Game Influence, and Attack Presentation in the Christchurch Mass Shooting and Its Copycats (Studies in Conflict & Terrorism)
- 2024 – What Effect does Ideological Extremism have on Mass Shootings? An Assessment of Motivational Inconsistencies, Risk Profiles, and Attack Behaviors (Terrorism and Political Violence)
- 2024 – Studying Mental Disorders among Perpetrators of Mass Murder-Suicide: Methodological Challenges and Promising Avenues for New Research (Criminal Behaviour and Mental Health)
- 2024 – Investigating 55 Years of Mass Shooter Statements in the United States: A Study of Perpetrators’ Stated Motivations and their Association with Attack Severity (Communication Monographs)
- 2023 – The Virginia Beach Municipal Center Mass Shooting: A Retrospective Threat Assessment Using the WAVR-21 (Journal of Threat Assessment and Management)
- 2022 – Sexually Frustrated Mass Shooters: A Study of Perpetrators, Profiles, Behaviors, and Victims (Homicide Studies)
- 2022 – The Globalization of American Mass Shootings? An Assessment of Fame-Seeking Perpetrators and Their Influence Worldwide (International Journal of Comparative and Applied Criminal Justice)
- 2021 – The Timing of Opportunities to Prevent Mass Shootings: A Study of Mental Health Contacts, Work and School Problems, and Firearms Acquisition (International Review of Psychiatry)
- 2021 – An Epidemiological Analysis of Public Mass Shooters and Active Shooters: Quantifying Key Differences Between Perpetrators and the General Population, Homicide Offenders, and People Who Die By Suicide (Journal of Threat Assessment and Management)
- 2021 – A Close Examination of the 2016 Dallas and Baton Rouge Police Killers: Identifying Potential Risk Factors and Influences for Copycat Violence (International Criminal Justice Review)
- 2020 – Has the Role of Mental Health Problems in Mass Shootings Been Significantly Underestimated? (Journal of Threat Assessment and Management)
- 2020 – Why Have Public Mass Shootings Become More Deadly? Assessing How Perpetrators’ Motives and Methods Have Changed Over Time (Criminology & Public Policy)
- 2020 – The Importance of Analyzing Public Mass Shooters Separately from Other Attackers When Estimating the Prevalence of Their Behavior Worldwide (Econ Journal Watch)
Mass Shooting Studies by Subject Area
How the United States Compares to Other Countries:
- 2022 – The Globalization of American Mass Shootings? An Assessment of Fame-Seeking Perpetrators and Their Influence Worldwide (International Journal of Comparative and Applied Criminal Justice)
- 2020 – The Importance of Analyzing Public Mass Shooters Separately from Other Attackers When Estimating the Prevalence of Their Behavior Worldwide (Econ Journal Watch)
- 2019 – Confirmation That the United States Has Six Times Its Global Share of Public Mass Shooters, Courtesy of Lott and Moody’s Data (Econ Journal Watch)
- 2016 – Public Mass Shooters and Firearms: A Cross-National Study of 171 Countries (Violence and Victims)
- 2016 – Are America’s Public Mass Shooters Unique? A Comparative Analysis of Offenders in the United States and Other Countries (International Journal of Comparative and Applied Criminal Justice)
How Mass Shooters Compare to the General Population and Other Criminals
- 2021 – An Epidemiological Analysis of Public Mass Shooters and Active Shooters: Quantifying Key Differences Between Perpetrators and the General Population, Homicide Offenders, and People Who Die By Suicide (Journal of Threat Assessment and Management)
How Mass Shooters Compare to Suicide Terrorists
- 2024 – What Effect does Ideological Extremism have on Mass Shootings? An Assessment of Motivational Inconsistencies, Risk Profiles, and Attack Behaviors (Terrorism and Political Violence)
- 2013 – The Myth of Martyrdom: What Really Drives Suicide Bombers, Rampage Shooters, and Other Self-Destructive Killers (St. Martin’s Press book)
- 2012 – A Comparative Analysis of Suicide Terrorists and Rampage, Workplace, and School Shooters in the United States from 1990-2010 (Homicide Studies)
- 2012 – What Drives Suicidal Mass Killers (The New York Times op-ed)
- 2011 – From Columbine to Palestine: A Comparative Analysis of Rampage Shooters in the United States and Volunteer Suicide Bombers in the Middle East (Aggression and Violent Behavior)
Trends: Incidents Becoming Deadlier
- 2020 – Why Have Public Mass Shootings Become More Deadly? Assessing How Perpetrators’ Motives and Methods Have Changed Over Time (Criminology & Public Policy)
- 2021 – The Timing of Opportunities to Prevent Mass Shootings: A Study of Mental Health Contacts, Work and School Problems, and Firearms Acquisition (International Review of Psychiatry)
- 2019 – Are the Deadliest Mass Shootings Preventable? An Assessment of Leakage, Information Reported to Law Enforcement, and Firearms Acquisition Prior to Attacks in the United States (Journal of Contemporary Criminal Justice)
- 2016 – Public Mass Shooters and Firearms: A Cross-National Study of 171 Countries (Violence and Victims)
- 2024 – Studying Mental Disorders among Perpetrators of Mass Murder-Suicide: Methodological Challenges and Promising Avenues for New Research (Criminal Behaviour and Mental Health)
- 2021 – The Timing of Opportunities to Prevent Mass Shootings: A Study of Mental Health Contacts, Work and School Problems, and Firearms Acquisition (International Review of Psychiatry)
- 2020 – Has the Role of Mental Health Problems in Mass Shootings Been Significantly Underestimated? (Journal of Threat Assessment and Management)
- 2016 – Detecting Mental Health Problems and Suicidal Motives Among Terrorists and Mass Shooters (Criminal Behaviour and Mental Health)
Fame-Seeking Shooters, Media Coverage, and Copycat Effects (Open Letter to the Media about Improving Coverage of Mass Killers — Signed by 149 Experts)
- 2024 – Similarities between Copycat Mass Shooters & Their Role Models: An Empirical Analysis with Implications for Threat Assessment and Violence Prevention (Journal of Criminal Justice)
- 2024 – The Gamification of Mass Violence: Social Factors, Video Game Influence, and Attack Presentation in the Christchurch Mass Shooting and Its Copycats (Studies in Conflict & Terrorism)
- 2022 – The Globalization of American Mass Shootings? An Assessment of Fame-Seeking Perpetrators and Their Influence Worldwide (International Journal of Comparative and Applied Criminal Justice)
- 2021 – A Close Examination of the 2016 Dallas and Baton Rouge Police Killers: Identifying Potential Risk Factors and Influences for Copycat Violence (International Criminal Justice Review)
- 2019 – Indicators of Unhealthy Fame-Seeking and Attention-Seeking Among Public Mass Shooters and Active Shooters (Journal of Campus Behavioral Intervention)
- 2018 – Media Coverage of Mass Killers: Content, Consequences, and Solutions (American Behavioral Scientist)
- 2018 – Don’t Name Them, Don’t Show Them, But Report Everything Else: A Pragmatic Proposal For Denying Mass Shooters The Attention They Seek and Deterring Future Offenders (American Behavioral Scientist)
- 2018 – Do the Media Unintentionally Make Mass Killers Into Celebrities? An Assessment of Free Advertising and Earned Media Value (Celebrity Studies)
- 2018 – Mass Killings in the United States from 2006-2013: Social Contagion or Random Clusters? (Suicide and Life-Threatening Behavior)
- 2018 – Identifying Potential Mass Shooters and Suicide Terrorists with Warning Signs of Suicide, Perceived Victimization, and Desires for Attention or Fame (Journal of Personality Assessment)
- 2016 – Fame-Seeking Rampage Shooters: Initial Findings and Empirical Predictions (Aggression and Violent Behavior)
- 2022 – Sexually Frustrated Mass Shooters: A Study of Perpetrators, Profiles, Behaviors, and Victims (Homicide Studies)
- 2018 – Identifying Potential Mass Shooters and Suicide Terrorists with Warning Signs of Suicide, Perceived Victimization, and Desires for Attention or Fame (Journal of Personality Assessment)
- 2016 – Detecting Mental Health Problems and Suicidal Motives Among Terrorists and Mass Shooters (Criminal Behaviour and Mental Health)
- 2015 – Mass Murderers in the United States: Predictors of Offender Deaths (Journal of Forensic Psychiatry & Psychology)
- 2015 – Mass Shooters in the USA, 1966-2010: Differences Between Attackers Who Live and Die (Justice Quarterly)
- 2016 – Race and Mass Murder in the United States: A Social and Behavioral Analysis (Current Sociology)
- 2023 – The Virginia Beach Municipal Center Mass Shooting: A Retrospective Threat Assessment Using the WAVR-21 (Journal of Threat Assessment and Management)
- 2021 – The Timing of Opportunities to Prevent Mass Shootings: A Study of Mental Health Contacts, Work and School Problems, and Firearms Acquisition (International Review of Psychiatry)
- 2019 – Are the Deadliest Mass Shootings Preventable? An Assessment of Leakage, Information Reported to Law Enforcement, and Firearms Acquisition Prior to Attacks in the United States (Journal of Contemporary Criminal Justice)
- 2018 – Identifying Potential Mass Shooters and Suicide Terrorists with Warning Signs of Suicide, Perceived Victimization, and Desires for Attention or Fame (Journal of Personality Assessment)
- 2024 – The Gamification of Mass Violence: Social Factors, Video Game Influence, and Attack Presentation in the Christchurch Mass Shooting and Its Copycats (Studies in Conflict & Terrorism)
- 2024 – What Effect does Ideological Extremism have on Mass Shootings? An Assessment of Motivational Inconsistencies, Risk Profiles, and Attack Behaviors (Terrorism and Political Violence)
- 2024 – Investigating 55 Years of Mass Shooter Statements in the United States: A Study of Perpetrators’ Stated Motivations and their Association with Attack Severity (Communication Monographs)
- 2019 – Do the Ages of Mass Shooters Matter? Analyzing the Differences Between Young and Older Offenders (Violence and Gender)
- 2018 – Harming Animals and Massacring Humans: Characteristics of Public Mass and Active Shooters Who Abused Animals (Behavioral Sciences & the Law)
Suicide Terrorism
Studies of perpetrators’ pathways to self-destruction. How are they psychologically and behaviorally similar to individuals who commit conventional suicides, murder-suicides, or unconventional suicides–such as mass shooters, cult members, and kamikaze pilots?
Book: The Myth of Martyrdom: What Really Drives Suicide Bombers, Rampage Shooters, and Other Self-Destructive Killers (St. Martin’s Press)
Journal Articles:
Please contact Dr. Lankford or request free access through ResearchGate if you would like any of these articles.
- 2018 – A Psychological Re-Examination of Mental Health Problems Among the 9/11 Terrorists (Studies in Conflict & Terrorism)
- 2018 – Identifying Potential Mass Shooters and Suicide Terrorists with Warning Signs of Suicide, Perceived Victimization, and Desires for Attention or Fame (Journal of Personality Assessment)
- 2015 – Is Suicide Terrorism Really the Product of an Evolved Sacrificial Tendency? A Review of Mammalian Research and Application of Evolutionary Theory (Comprehensive Psychology)
- 2014 – Evidence that Suicide Terrorists are Suicidal: Challenges and Empirical Predictions (Behavioral and Brain Sciences)
- 2014 – Precis of The Myth of Martyrdom: What Really Drives Suicide Bombers, Rampage Shooters, and Other Self-Destructive Killers (Behavioral and Brain Sciences)
- 2014 – A Suicide-Based Typology of Suicide Terrorists: Conventional, Coerced, Escapist, and Indirect (Security Journal)
- 2014 – Public Opinions of Suicide Bombers’ Mental Health (Comprehensive Psychology)
- 2013 – On Sacrificial Heroism (Critical Review of International Social and Political Philosophy)
- 2012 – A Comparative Analysis of Suicide Terrorists and Rampage, Workplace, and School Shooters in the United States from 1990-2010 (Homicide Studies)
- 2012 – A Psychological Autopsy of 9/11 Ringleader Mohamed Atta (Journal of Police and Criminal Psychology)
- 2012 – What Drives Suicidal Mass Killers (The New York Times op-ed)
- 2011 – From Columbine to Palestine: A Comparative Analysis of Rampage Shooters in the United States and Volunteer Suicide Bombers in the Middle East (Aggression and Violent Behavior)
- 2011 – Requirements and Facilitators for Suicide Terrorism: An Explanatory Framework for Prediction and Prevention (Perspectives on Terrorism)
- 2011 – Could Suicide Terrorists Actually Be Suicidal? (Studies in Conflict & Terrorism)
- 2010 – Suicide Terrorism as a Socially Approved Form of Suicide (Crisis: The Journal of Crisis Intervention and Suicide Prevention)
- 2010 – Do Suicide Terrorists Exhibit Clinically Suicidal Risk Factors? A Review of Initial Evidence and Call for Future Research (Aggression and Violent Behavior)
Sexual Frustration Theory
An exploration of how sexual frustration may contribute to many forms of aggression, violence, and crime–including stalking, intimate partner abuse, bar fights, robberies, gang violence, homicide, mass shootings, terrorism, serial killings, pedophilia, and rape–and why it may also be an important cause of misogyny.
Please contact Dr. Lankford or request free access through ResearchGate if you would like any of these articles.
Journal Articles:
- 2024 – Femcel Discussions of Sex, Frustration, Power, and Revenge (Archives of Sexual Behavior)
- 2024 – Sex, Power, and Violence: What Do the Rape Incidents in Susan Brownmiller’s Against Our Will Actually Show? (International Criminal Justice Review)
- 2023 – Celebrity Infidelity and Sex Crimes: An Empirical Investigation of Cheating, Sexual Harassment, Sexual Assault, and Solicitation (Sexuality & Culture)
- 2022 – Could Serial Killing Actually be Addictive? A Close Examination of Compulsion and Escalation in the Jeffrey Dahmer Case (Sexual Health & Compulsivity)
- 2022 – Sexually Frustrated Mass Shooters: A Study of Perpetrators, Profiles, Behaviors, and Victims (Homicide Studies)
- 2021 – A Sexual Frustration Theory of Aggression, Violence, and Crime (Journal of Criminal Justice)
- 2016 – Are There Reasons for Optimism in the Battle Against Sexual Assault? (Sociology Compass)
- 2012 – An Analysis of Sexual Assault in the U.S. Military, 2004-2009 (Journal of Military and Strategic Studies)
Human Nature
Research on various elements of the human condition, including why people often choose self-interest over self-sacrifice, how “strength in numbers” functions as a core survival strategy, what factors make people vulnerable to systematic indoctrination.
Book: 2009 – Human Killing Machines: Systematic Indoctrination in Iran, Nazi Germany, Al Qaeda, and Abu Ghraib (Lexington Books)
Journal Articles:
Please contact Dr. Lankford or request free access through ResearchGate if you would like any of these articles.
- 2021 – A Sexual Frustration Theory of Aggression, Violence, and Crime (Journal of Criminal Justice)
- 2018 – Strength in Numbers: A Survival Strategy that Helps Explain Social Bonding and Commitment (Behavioral and Brain Sciences)
- 2015 – Is Suicide Terrorism Really the Product of an Evolved Sacrificial Tendency? A Review of Mammalian Research and Application of Evolutionary Theory (Comprehensive Psychology)
Other Research
Please contact Dr. Lankford or request free access through ResearchGate if you would like any of these articles.
- 2011 – Rehabilitating Terrorists Through Counter-Indoctrination: Lessons Learned from the Saudi Arabian Program. (International Criminal Justice Review)
- 2010 – Social Influence in the Online Recruitment of Terrorists and Terrorist Sympathizers: Implications for Social Psychology Research (International Review of Social Psychology)
- 2010 – Do Past U.S. Acts Constitute Terrorism? Implications for Counterterrorism Policy (International Criminal Justice Review)
- 2010 – Assessing the Obama Standard for Interrogations: An Analysis of Army Field Manual 2-22.3 (Studies in Conflict & Terrorism)
- 2009 – Promoting Aggression and Violence at Abu Ghraib: The U.S. Military’s Transformation of Ordinary People into Torturers (Aggression and Violent Behavior)
- 2009 – Reexamining the “War of Ideas” and Us-Them Differentiation: Implications for Counterterrorism (Homeland Security Review)