Psychotic symptoms in mass shootings v. mass murders not involving firearms: findings from the Columbia mass murder database.

  title={Psychotic symptoms in mass shootings v. mass murders not involving firearms: findings from the Columbia mass murder database.},
  author={Gary Brucato and Paul S. Appelbaum and Hannah Hesson and Eileen A Shea and Gabriella A. Dishy and Kathryn Lee and Tyler Pia and Faizan Syed and Alexandra Villalobos and Melanie M. Wall and Jeffrey A. Lieberman and Ragy R. Girgis},
  journal={Psychological medicine},
BACKGROUND Mass shootings account for a small fraction of annual worldwide murders, yet disproportionately affect society and influence policy. Evidence suggesting a link between mass shootings and severe mental illness (i.e. involving psychosis) is often misrepresented, generating stigma. Thus, the actual prevalence constitutes a key public health concern. METHODS We examined global personal-cause mass murders from 1900 to 2019, amassed by review of 14 785 murders publicly described in… Expand
1 Citations

Figures and Tables from this paper

Structural competency and the future of firearm research.
In this critical literature review we develop a five-part agenda for pandemic-era research into mass shootings and multiple-victim homicides that promotes understanding the psychologies of individualExpand


Mass Murder, Mental Illness, and Men
Abstract Although mass murder is a rare event in the United States—perhaps a dozen to a dozen and a half incidents a year in the recent decades—occurrences tend to overshadow the much greater numberExpand
Public safety, mental disorders, and guns.
The validity of this widely accepted causal connection between mental disorder and violence is of critical importance for the formulation of appropriate policy responses to the risk of violence. Expand
Gun Violence, Mental Illness, And Laws That Prohibit Gun Possession: Evidence From Two Florida Counties.
Examining gun-related suicide and violent crime in people with serious mental illnesses and whether legal restrictions on firearm sales to people with a history of mental health adjudication are effective in preventing gun violence finds that 62 percent of violent gun crime arrests and 28  percent of gun suicides involved individuals not legally permitted to have a gun at the time. Expand
4 Simple Reforms to Address Mass Shootings and Other Firearm Violence.
From a public health perspective, the solution is tight regulatory control over firearms, including rigorous background checks, safety rules, and the types of firearms permitted. Expand
Association of violence with emergence of persecutory delusions in untreated schizophrenia.
Maintaining psychiatric treatment after release can substantially reduce violent recidivism among prisoners with schizophrenia, and the results indicate that the emergence of persecutory delusions in untreated schizophrenia explains violent behavior. Expand
Mass Murder with Firearms: Incidents and Victims, 1999-2013 [July 30, 2015]
This report analyzes mass shootings for a 15-year period (1999-2013). CRS analysis of the FBI SHR dataset and other research indicates that offenders committed at least 317 mass shootings, murderedExpand
Describing a “mass shooting”: the role of databases in understanding burden
There is much variety in statistics obtained from the different sources that have collected mass shooting information, with little overlap among databases, and researchers should advocate for a standard definition that considers both fatalities and nonfatalities to most appropriately convey the burden of mass shootings on gun violence. Expand
A national study of violent behavior in persons with schizophrenia.
To examine the prevalence and correlates of violence among schizophrenia patients living in the community by developing multivariable statistical models to assess the net effects of psychotic symptoms and other risk factors for minor and serious violence, a large number of patients diagnosed as having schizophrenia were enrolled. Expand
Violence in first-episode psychosis: A systematic review and meta-analysis
A substantial proportion of patients in first-episode psychosis commit an act of violence before presenting for treatment, including a number who commit an acts of more serious violence causing injury to another person, but severe violence resulting in serious or permanent injury to the victim is uncommon in this population. Expand
Psychosis and Violence: Stories, Fears, and Reality
  • P. Taylor
  • Psychology, Medicine
  • Canadian journal of psychiatry. Revue canadienne de psychiatrie
  • 2008
An overview of the evidence on relations between psychosis and violence to others is provided and public fears about individuals with psychotic illnesses are largely unfounded. Expand