Speaking of Psychology
Speaking of Psychology

What do we know about preventing gun violence? With Susan Sorenson, PhD

Guns killed nearly 44,000 Americans in 2020, a higher number than in any other year in the past two decades. Meanwhile, a spate of mass shootings in the spring brought gun violence to the forefront of the national conversation again. Susan Sorenson, PhD, director of the Ortner Center on Violence and

Topics Discussed

Episode Summary

Executive Summary: The episode examines U.S. gun violence as a public health crisis, emphasizing that most gun deaths are suicides, not mass shootings. Dr. Susan Sorensen argues that prevention requires a multi-level, consumer-product approach, better data access, and stronger laws focused on domestic violence and prohibited possessors. She also explains how fear, weak research infrastructure, and political polarization hinder effective policy.

Main Topics: Gun violence is primarily a suicide problem: Sorensen stresses that the largest share of gun deaths in the U.S. are suicides, while public attention disproportionately focuses on homicides and mass shootings. Public health framing and consumer-product regulation: The discussion reframes guns as a consumer product that should be studied through design, manufacture, distribution, sales, and use, not only through criminal justice. Fear, mass shootings, and gun buying: Mass shootings create a sense of randomness and vulnerability in everyday life, while fear and social unrest appear to be driving record gun purchases, including many first-time buyers. Research barriers and the need for data: Sorensen describes how lack of federal funding and restricted access to data have limited the field, weakened evidence generation, and prevented training a full generation of researchers. Effective and ineffective policy approaches: The conversation distinguishes between measures with evidence of promise, such as domestic-violence firearm restrictions, and broader bans like the 1994 assault-weapons ban, which did not reduce overall gun homicide rates. Intimate partner violence and coercive firearm use: Sorensen explains that guns are often used to threaten and control partners rather than to shoot them, creating fear, complicating enforcement, and increasing murder risk when victims leave. Political power and the NRA: The NRA's influence is discussed as an obstacle to policy, though Sorensen argues its internal problems may weaken the organization more than the underlying gun-rights movement.

Key Arguments: Most gun deaths are suicides, so focusing only on mass shootings or criminal homicides misses the main driver of mortality. A public health approach treats guns as a consumer product, which means studying design, manufacture, distribution, and sales in addition to user behavior. Fear and uncertainty, amplified by mass shootings and social instability, appear to be major contributors to increased gun purchasing. The long-term underfunding of gun violence research has delayed answers and prevented development of the next generation of experts. Evidence suggests domestic-violence firearm restrictions and related prohibitions can reduce intimate-partner homicides. Assault-weapons bans may affect some public mass shootings but are unlikely to reduce the broader categories of homicide and suicide that dominate gun deaths. Guns are often used as tools of coercion in intimate-partner violence, which means harm can occur even without discharge. Comprehensive policy, not a single law, is needed to reduce gun violence, similar to how motor-vehicle safety required multiple interventions.

Data Points: Annual gun deaths in 2020: nearly 44,000 - Gun Violence Archive estimate cited in the introduction Gun suicides in 2020: 24,000 - Portion of total gun deaths attributed to suicide Highest annual gun deaths in two decades: 2020 was the highest in 20 years - Introduced as background on the scale of the problem Gun homicides in 2019: about 14,000 - Most recent national data cited by Sorensen Gun deaths classified as police shootings in 2019: 520 - Second-most common category mentioned after suicide and homicide Unintentional gun deaths in 2019: about 486 - Public health term used for accidental deaths Undetermined-intent gun deaths in 2019: about 346 - Cases where intent could not be determined Domestic violence 911 calls reviewed in Philadelphia: all 9-1-1 calls for one year - Sorensen describes a city-level research project Intimate partner violence incidents in that dataset: about 35,000 - Subset of domestic violence calls analyzed Share of external-weapon IPV incidents involving a gun: about one third - When an external weapon was used, a gun was involved about a third of the time Gender pattern in gun-involved IPV: about 85% male against female - Sorensen notes most gun use in IPV is men using guns against women Federal machine-gun restriction: passed shortly after the 1929 Valentine's Day Massacre - Used as historical contrast with modern congressional inaction Assault-weapons ban duration: 10-year ban enacted in 1994 - Referenced when discussing why broader homicide rates were not strongly affected Weeks among the top 10 for background checks: 9 of 10 since the pandemic began - Used to illustrate the surge in gun purchasing Background checks in those top weeks: nearly as many guns as are sold in an entire year - Shows the scale of recent demand NRA shift in focus: pivot in the 1980s - Sorensen says the NRA moved from sports shooting toward gun-rights advocacy

Pivotal Quotes: "The most common type of gun death in the United States is a suicide." — Dr. Susan Sorensen: Explaining what drives gun mortality beyond the headlines "Looking at guns as a public health issue is really important... It takes a consumer-product approach." — Dr. Susan Sorensen: Defining how prevention differs from a criminal-justice-only lens "The mass shootings make it feel random, or that it could happen to anyone." — Dr. Susan Sorensen: Describing why public fear has increased even though the probability is low

Implications: Listeners should understand that reducing gun violence requires evidence-based, layered policies, better data access, and attention to suicide and domestic violence—not just mass shootings. The field may improve as funding expands, but progress depends on political will.

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