far-left extremist groups
The Counter Extremism Project describes the Animal Liberation Front as "a far-left extremist group focused on animal rights" that was formed in the 1970s in the United Kingdom. It now operates in 40 countries and has "claimed responsibility for arson and vandalism against animal research facilities, farms, restaurants, and other businesses," the group says.
"The group emerged in England in 1987 from the skinhead music scene, according to The Counter Extremism Project (CEP), a non-profit policy organisation working to combat extremist ideologies.
Founded by Ian Stuart Donaldson, who died in a 1993 car crash, it has since spread across Europe, Russia, Australia, and North America, the CEP noted."
“In 2023, Florida Attorney General Ashley Moody took action against pro-abortion activists Caleb Freestone, Amber Marie Smith-Stewart, Annarella Rivera, and Gabriella Victoria Oropesa, who vandalized a pregnancy center. According to an article by Life News, the activists spray-painted the following message on the pregnancy center's buildings: “If abortions aren’t safe, neither are you.” The vandals are affiliated with a group called “Jane’s Revenge,” which has “claimed responsibility for acts of vandalism and firebombings of anti-abortion offices and clinics,” according to the Counter Extremism Project.”

The Black Bloc: Autonomous Movement(s) in Europe
Left-wing extremism and terrorism remain a significant form of ideologically motivated violence. Transnational connectivity and loose, leaderless networks—both offline and online—are key elements of this milieu’s operations. As with other extremist...
"The Counter Extremism Project, which maintains databases on extremist and terrorist groups around the world, calls Jane’s Revenge a “militant pro-abortion rights group” and says the group has claimed responsibility for arson and vandalism across the country."

Fluid Structures: Assessing Left-Wing Violent Extremist Groups’ Organizational Systems
Left-wing extremism and terrorism remain a significant form of ideologically motivated violence. Transnational connectivity and loose, leaderless networks—both offline and online—are key elements of this milieu’s operations. As with other extremist...

Reciprocal Reactivity: The Lina E. Case and Left- v. Right-Wing Transnational Extremist Networks
The case of Lina E. and her fellow group members—the perpetrators of some of the most prominent left-wing attacks in Germany since the Red Army Faction—captured the attention of the German press from 2021 to 2023. This string of violent attacks...
"“... That photo is a boost for the German police. Strict privacy laws make detection very difficult, says German terrorism expert Hans-Jakob Schindler. Only old images of the fugitives were known. “For example, the police are not allowed to search the internet unless there is a specific accusation of terror or an impending terrorist attack. They are also not allowed to use special tools that require them to share images with other parties.”"

"It is no coincidence that Daniela Klette was able to stay hidden in Kreuzberg for so long, says terrorism expert Hans-Jakob Schindler from the Counter Extremism Project (CEP) to IPPEN.MEDIA. “There is a large and very active left-wing extremist scene in Berlin. The RAF men are still heroes for many in this milieu. For the new generation of left-wing extremists, these are grandmas and grandpas who are revered.”"

"The fact that Daniela Klette was able to stay hidden in Kreuzberg for so long is no coincidence, says terrorism expert Hans-Jakob Schindler from the Counter Extremism Project (CEP) to IPPEN.MEDIA.
“There is a large and very active left-wing extremist scene in Berlin.
Many people in this milieu still consider the RAF men to be heroes.
For the new generation of left-wing extremists, these are grandmas and grandpas who are revered.”
With such a well-connected support scene behind them, it was easier to go into hiding: “The trio didn’t have to rent an apartment and were also supported financially,” explains Schindler."

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