The shooter who killed eight people at a Dallas-area mall was wearing a patch that read “RWDS” — short for “Right Wing Death Squad” — a phrase that has been embraced in recent years by far-right extremists who glorify violence against their political enemies.

Authorities have not said what they believe might have motivated 33-year-old Mauricio Garcia, who happened to be near the mall Saturday when Garcia opened fire.

Posts by Garcia on a Russian social networking site expressed a fascination with white supremacy and mass shootings. Photos he posted showed large Nazi tattoos on his arm and torso, including a swastika and the SS lightning bolt logo of Hitler’s paramilitary forces.

Here is a look at the term “Right Wing Death Squad” and how it became a popular symbol among violent extremists:

WHAT’S THE HISTORY OF THE TERM?

The “RWDS” acronym is one of countless shorthand terms used by extremists. Others include “RaHoWa,” short for “racial holy war,” and “ ,” an alphabet-driven code combining references to a white nationalist slogan and Adolf Hitler.

The term “Right Wing Death Squad” originally emerged in the 1970s and '80s to describe Central and South American paramilitary groups created to support right-wing governments and dictatorships and oppose perceived enemies on the left, said Oren Segal, vice president of the Anti-Defamation League's Center on Extremism.

It reemerged in the 2010s among right-wing groups who use it on stickers, patches and in online forums. Other far-right gear and online memes specifically glorify Gen. Augusto Pinochet, the brutal Chilean military dictator whose death squads killed thousands of political opponents.

“It essentially became a phrase that was co-opted to demonstrate opposition to the left more broadly by right-wing extremists,” Segal said.

Heidi Beirich, co-founder of the Global Project Against Hate and Extremism, said the , the neo-fascist group of self-described “Western chauvinists,” are largely responsible for injecting “RWDS” into the far-right vernacular.

The group has sold patches and T-shirts adorned with the acronym and celebrating Pinochet’s death squads. Proud Boys have been photographed wearing “RWDS” patches at rallies and wearing T-shirts that read, “Pinochet did nothing wrong.”

Photos shared on social media appeared to show former Proud Boys national chairman Enrique Tarrio and another former Proud Boys leader, , among those who have worn such patches.

in the Jan. 6, 2021, attack on the U.S. Capitol for what prosecutors have described as a violent plot to keep President Donald Trump in power. Bertino, who was vice president of the South Carolina Proud Boys chapter, previously pleaded guilty to seditious conspiracy in the Jan. 6 riot.

WHICH GROUPS HAVE EMBRACED IT?

The Proud Boys aren't the only far-right extremists to adopt the term.

“Right Wing Death Squad” was the name of the smaller groups that participated in the white nationalist “Unite the Right Rally” in Charlottesville, Virginia, in August 2017, . The rally turned deadly when a white supremacist rammed his car into a crowd of counterprotesters,

Facebook banned several hate-filled pages, including one named ‘‘Right Wing Death Squad,’’ after the bloodshed in Charlottesville,

“It has really become something over the past couple years that has cut across and far beyond any individual group,” said Jon Lewis, a research fellow at the Program on Extremism at George Washington University.

“It has kind of become this rallying cry to some extent: This is what we want, to seize the levers of democratic power, just like Pinochet did, and we want to use the power of the state to then engage in violent genocide effectively against whoever is against us," he said.

American University professor Cynthia Miller-Idriss, director of the school’s Polarization and Extremism Research & Innovation Lab, said extremists who adopt these terms and symbols often don’t fully understand their origins.

“Nobody is going to accidentally have a ‘Right Wing Death Squad’ patch,” she said. “But it’s because of this whole meme culture, and generally the way that iconography is used to signal encoded speech or messages, they don’t always know exactly” what it means.

WHITE SUPREMACIST GROUPS HAVE NON-WHITE MEMBERS?

Far-right extremist groups like the Proud Boys often point to their Black and Hispanic members to rebut claims that they promote racism or white supremacist ideologies. Tarrio, the former Proud Boys leader, is Cuban American, for example.

The Daily Stormer, a leading neo-Nazi website, tailored for readers in Spain and Latin America.

Some Hispanics identify as white.

But those who don’t consider themselves to be white “can still be attracted to and support movements that are inherently or explicitly white supremacist,” said Miller-Idriss, author of “Hate in the Homeland: The New Global Far Right."

“And that is the same way that women can support patriarchal or male supremacist movements,” she added.

Tanya Hernández, a law professor at Fordham University and author of “Racial Innocence: Unmasking Latino Anti-Black Bias,” said Latinos are often viewed “as an unwanted other” in the U.S.

“If you are a Latino who is already affected by being viewed as other and want desperately to be part of the club that is the U.S., what better way to make a claim … than to be part of the enforcement, the policing of whiteness within a white supremacist hate group?” she said.

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Associated Press writer Michael Balsamo in New York contributed to this report.

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