As gun attacks in US supermarkets rise, a look at what’s in the mind of these retail mass shooters

A gun rampage at a Walmart in Virginia is the latest amid a rise in mass shootings in general in the US, and mass shootings at grocery and retail stores in particular.

Multiple people including the gunman were killed in the incident on 22 November, 2022, at an outlet of the retailer in Chesapeake. It follows a racist attack at a grocery store in Buffalo earlier this year in which 10 Black shoppers were killed.

A previous Walmart mass shooting in El Paso, Texas, in 2021, was similarly racially motivated — 23 people were killed by a gunman who had posted a hate-filled anti-immigrant manifesto online.

We are criminologists who study the life histories of mass shooters in the United States. Since 2017, we have conducted dozens of interviews with incarcerated perpetrators and people who knew them.

We also built a comprehensive database of mass public shootings using public data, with the shooters coded on nearly 200 different variables.

Overall, mass public shootings in which four or more people are killed have become more frequent, and deadly, in the last decade, to the extent that the US now averages about seven of these events each year.

Our definition of mass public shootings excludes cases in which the murders are attributed to any other underlying criminal activity, such as drugs and gang membership, which accounts for why they may be lower than other estimates.

Mass shootings also tend to cluster, with one study finding they are contagious for 13 days on average and our own research showing those responsible study other mass shooters and draw inspiration from them.

The Buffalo shooting on 14 May preceded a spate of mass shootings this summer, including at an elementary school in Uvalde, Texas, at an Oklahoma medical facility, and during a 4th of July parade in Highland Park, Illinois.

The latest tragedy in Chesapeake, Virginia, comes just three days after a gunman killed five people at a LGBTQ nightclub in Colorado Springs.

Chesapeake Police Public Information Officer Leo Kosinski delivers an update to the press following a mass shooting at a Chesapeake, Virginia. AP

What do we know about mass shootings at stores?

The tragedy in Chesapeake, Virginia, is the 36th mass shooting in our database to take place in a retail establishment. These shootings claimed 217 lives and injured 227 more, and they have been increasing over time — with 2019 and 2021 the worst years on record for retail shootings.

Retail shootings are most common in Southern and Western states and two-thirds took place in urban locations. The perpetrators were all male except for one woman who committed the shooting with her male partner.

Retail mass shooters were White in 56 per cent of such incidents and Black in 25 per cent of recorded cases and ranged in age from 18 to 70 — although 60 per cent were in their 20s. Around one in 10 were employees of the retail establishments they targeted.

Perpetrators usually used one gun (58 per cent). One-third of perpetrators used an AR-15 style assault weapon.

Looking at the life histories of perpetrators, two-thirds had a prior criminal history and half of them communicated intent to do harm to others ahead of the attack. Yet, retail shootings tend to be less well-planned than other mass shootings — only 22 per cent of perpetrators did significant planning.

Two-thirds of the shooters were suicidal — 26 per cent had a prior suicide attempt and another 37 per cent intended to die during the shooting — and around 30 per cent were experiencing psychosis, although perpetrators were only acting on their hallucinations or delusions in 11 per cent of retail shootings. Half of the perpetrators had a known prejudice against a racial or religions group.

Workplace rampages and what motivates them

The motive in the Virginia incident is not known, but reports suggest the perpetrator was a Walmart employee.

In our data, workplace shootings are motivated by an employment issue such as being fired or suspended in 70 per cent of incidents, and by an interpersonal conflict with another employee 23 per cent of the time.

Nearly three-quarters of perpetrators show changes in behavior or warning signs prior to the shooting, such as increased agitation.

Our research suggests many strategies to prevent these types of mass shootings — from anonymous reporting systems for employees to workplace crisis response teams. However, restricting access to firearms for high-risk people would be the most effective strategy overall.

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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