Bart Schuurman
@bartschuurman.bsky.social
Professor of Terrorism and Political Violence at Leiden University
Pinned
Citizens, Extremists, Terrorists: Comparing Radicalized Individuals with the General Population
Empirical research on terrorism has tended to overlook the heterogeneity of the radicalized population, and how, in its heterogeneity, it differs from the general population. This study first asks ...
www.tandfonline.com
'Citizens, Extremists, Terrorists: Comparing Radicalized Individuals with the General Population', new work with Dr. Sarah Carthy out now in Terrorism and Political Violence. www.tandfonline.com/doi/full/10.... @unileiden.bsky.social @fggaleiden.bsky.social @icct.bsky.social
Reposted by Bart Schuurman
Key graph. IMO the main story here is the dramatic decline in the incidence of far right terrorism in 2024-25, not the slight increase in far left attacks (from ~3 to ~7 a year)
September 26, 2025 at 1:40 PM
Key graph. IMO the main story here is the dramatic decline in the incidence of far right terrorism in 2024-25, not the slight increase in far left attacks (from ~3 to ~7 a year)
Reposted by Bart Schuurman
Who Was Charlie Kirk, Anyway?
Kirk occupied a uniquely powerful place in the MAGA movement
open.substack.com
September 12, 2025 at 3:51 PM
Reposted by Bart Schuurman
The call for papers & breakout sessions at the 2026 Terrorism and Social Media (TASM) Conference is now open!
Join 250+ researchers, policymakers, practitioners and tech professionals discuss pressing challenges and opportunities on online terrorism and extremism. Visit www.tasmconf.com for details
Join 250+ researchers, policymakers, practitioners and tech professionals discuss pressing challenges and opportunities on online terrorism and extremism. Visit www.tasmconf.com for details
TASM Conference 2026
www.tasmconf.com
September 3, 2025 at 3:49 PM
The call for papers & breakout sessions at the 2026 Terrorism and Social Media (TASM) Conference is now open!
Join 250+ researchers, policymakers, practitioners and tech professionals discuss pressing challenges and opportunities on online terrorism and extremism. Visit www.tasmconf.com for details
Join 250+ researchers, policymakers, practitioners and tech professionals discuss pressing challenges and opportunities on online terrorism and extremism. Visit www.tasmconf.com for details
Reposted by Bart Schuurman
Very-very final wake-up call for Europe.
September 1, 2025 at 12:05 PM
Very-very final wake-up call for Europe.
Reposted by Bart Schuurman
Does #Trump want #Ukraine to surrender? @phillipspobrien.bsky.social weighs in. My 🎙️#podcast, #TheGlobalAgora.
▶️ ko-fi.com/post/Podcast...
If you enjoy, what I do, please, buy me ☕ coffee. Thank you. #Russia #Putinswar
▶️ ko-fi.com/post/Podcast...
If you enjoy, what I do, please, buy me ☕ coffee. Thank you. #Russia #Putinswar
Podcast: Does Trump want Ukraine to surrender?
Andrej Matisak published a post on Ko-fi
ko-fi.com
July 9, 2025 at 9:56 AM
Does #Trump want #Ukraine to surrender? @phillipspobrien.bsky.social weighs in. My 🎙️#podcast, #TheGlobalAgora.
▶️ ko-fi.com/post/Podcast...
If you enjoy, what I do, please, buy me ☕ coffee. Thank you. #Russia #Putinswar
▶️ ko-fi.com/post/Podcast...
If you enjoy, what I do, please, buy me ☕ coffee. Thank you. #Russia #Putinswar
Wat een schaamteloze vertoning van Trump en zijn meelopers tijdens deze persconferentie.
June 25, 2025 at 2:44 PM
Wat een schaamteloze vertoning van Trump en zijn meelopers tijdens deze persconferentie.
Reposted by Bart Schuurman
𝐇𝐲𝐛𝐫𝐢𝐝𝐞 𝐨𝐨𝐫𝐥𝐨𝐠𝐬𝐯𝐨𝐞𝐫𝐢𝐧𝐠 - 𝐞𝐞𝐧 𝐨𝐧𝐳𝐢𝐜𝐡𝐭𝐛𝐚𝐫𝐞 𝐨𝐨𝐫𝐥𝐨𝐠?
Hybride oorlog zit tussen vrede & oorlog in en is bewust vaag & onkenbaar, legt @bartschuurman.bsky.social (@fggaleiden.bsky.social) uit @eenvandaag.nl; Het zou topprioriteit moeten zijn op de #NAVO-top.
“Veiligheid is de basis van onze welvaart"
Hybride oorlog zit tussen vrede & oorlog in en is bewust vaag & onkenbaar, legt @bartschuurman.bsky.social (@fggaleiden.bsky.social) uit @eenvandaag.nl; Het zou topprioriteit moeten zijn op de #NAVO-top.
“Veiligheid is de basis van onze welvaart"
Het gaat volop over hybride oorlogsvoering, maar wat is het eigenlijk? Dit moet je weten
Hybride oorlogsvoering, het gaat er in de media vaak over. En ook tijdens de NAVO-top zal het onderwerp voorbij komen. Maar wat is het eigenlijk? En hoe ziet...
eenvandaag.avrotros.nl
June 24, 2025 at 6:47 AM
𝐇𝐲𝐛𝐫𝐢𝐝𝐞 𝐨𝐨𝐫𝐥𝐨𝐠𝐬𝐯𝐨𝐞𝐫𝐢𝐧𝐠 - 𝐞𝐞𝐧 𝐨𝐧𝐳𝐢𝐜𝐡𝐭𝐛𝐚𝐫𝐞 𝐨𝐨𝐫𝐥𝐨𝐠?
Hybride oorlog zit tussen vrede & oorlog in en is bewust vaag & onkenbaar, legt @bartschuurman.bsky.social (@fggaleiden.bsky.social) uit @eenvandaag.nl; Het zou topprioriteit moeten zijn op de #NAVO-top.
“Veiligheid is de basis van onze welvaart"
Hybride oorlog zit tussen vrede & oorlog in en is bewust vaag & onkenbaar, legt @bartschuurman.bsky.social (@fggaleiden.bsky.social) uit @eenvandaag.nl; Het zou topprioriteit moeten zijn op de #NAVO-top.
“Veiligheid is de basis van onze welvaart"
Reposted by Bart Schuurman
Reposted by Bart Schuurman
This is a very powerful piece on what Russian propaganda is and how it is produced: www.theatlantic.com/internationa... @theatlantic.com
That Time I Was a Russian Propagandist
The Kremlin’s information war in the West is reminiscent of the one it fought—and won—on the home front.
www.theatlantic.com
June 17, 2025 at 12:35 PM
This is a very powerful piece on what Russian propaganda is and how it is produced: www.theatlantic.com/internationa... @theatlantic.com
Reposted by Bart Schuurman
It’s not just 700 Marines, it’s a battalion, a combat unit called 2/7.
When I was in a similar unit, 2/8, we had literally 1 week of “non-lethal” (riot control) training. And about 4 years of lethal training.
No disrespect to 2/7, but they’re not trained for this. They’re trained for war.
When I was in a similar unit, 2/8, we had literally 1 week of “non-lethal” (riot control) training. And about 4 years of lethal training.
No disrespect to 2/7, but they’re not trained for this. They’re trained for war.
June 9, 2025 at 10:37 PM
It’s not just 700 Marines, it’s a battalion, a combat unit called 2/7.
When I was in a similar unit, 2/8, we had literally 1 week of “non-lethal” (riot control) training. And about 4 years of lethal training.
No disrespect to 2/7, but they’re not trained for this. They’re trained for war.
When I was in a similar unit, 2/8, we had literally 1 week of “non-lethal” (riot control) training. And about 4 years of lethal training.
No disrespect to 2/7, but they’re not trained for this. They’re trained for war.
Zeer interessant onderzoek naar de verdachte van de steekpartij in Amsterdam eerder dit jaar. Er lijkt vooralsnog geen link met Russische hybride oorlogvoering, eerder wat oorlog in mensen los kan maken. nos.nl/nieuwsuur/ar...
Verdachte steekpartij bij de Dam is Oekraïense deserteur die 'naar gevangenis' wilde
Meerdere collega's vertellen aan Nieuwsuur dat D. vaak sprak over een toekomstig verblijf in een Europese gevangenis.
nos.nl
June 10, 2025 at 4:58 PM
Zeer interessant onderzoek naar de verdachte van de steekpartij in Amsterdam eerder dit jaar. Er lijkt vooralsnog geen link met Russische hybride oorlogvoering, eerder wat oorlog in mensen los kan maken. nos.nl/nieuwsuur/ar...
Reposted by Bart Schuurman
𝐑𝐮𝐬𝐥𝐚𝐧𝐝𝐬 𝐬𝐜𝐡𝐚𝐝𝐮𝐰𝐨𝐨𝐫𝐥𝐨𝐠 𝐬𝐜𝐡𝐮𝐢𝐟𝐭 𝐖𝐞𝐬𝐭𝐰𝐚𝐚𝐫𝐭𝐬
Sinds 2022 voert Rusland structureel campagne van sabotage & beïnvloeding om de Europese steun aan Oekraïne te ondermijnen.
@bartschuurman.bsky.social (@fggaleiden.bsky.social) lichtte dit toe op 26 mei jl.
@geopolitieknu.bsky.social @unileiden.bsky.social
Sinds 2022 voert Rusland structureel campagne van sabotage & beïnvloeding om de Europese steun aan Oekraïne te ondermijnen.
@bartschuurman.bsky.social (@fggaleiden.bsky.social) lichtte dit toe op 26 mei jl.
@geopolitieknu.bsky.social @unileiden.bsky.social
Sabotage op Europees grondgebied: Ruslands schaduwoorlog schuift Westwaarts
Sinds de Russische inval in Oekraïne in 2022 voert Moskou een structurele campagne van sabotage en beïnvloeding om de Europese steun aan Oekraïne te ondermijnen. Onderzoeker Bart Schuurman lichtte dez...
www.leidenglobal.org
June 9, 2025 at 1:36 PM
𝐑𝐮𝐬𝐥𝐚𝐧𝐝𝐬 𝐬𝐜𝐡𝐚𝐝𝐮𝐰𝐨𝐨𝐫𝐥𝐨𝐠 𝐬𝐜𝐡𝐮𝐢𝐟𝐭 𝐖𝐞𝐬𝐭𝐰𝐚𝐚𝐫𝐭𝐬
Sinds 2022 voert Rusland structureel campagne van sabotage & beïnvloeding om de Europese steun aan Oekraïne te ondermijnen.
@bartschuurman.bsky.social (@fggaleiden.bsky.social) lichtte dit toe op 26 mei jl.
@geopolitieknu.bsky.social @unileiden.bsky.social
Sinds 2022 voert Rusland structureel campagne van sabotage & beïnvloeding om de Europese steun aan Oekraïne te ondermijnen.
@bartschuurman.bsky.social (@fggaleiden.bsky.social) lichtte dit toe op 26 mei jl.
@geopolitieknu.bsky.social @unileiden.bsky.social
Reposted by Bart Schuurman
In case anyone is interested in reading my PhD dissertation, "Counterterrorist Financing and the Evolution and Adaptation of Terrorist Tactics", it's now publicly available at this link:
carleton.scholaris.ca/items/bb97bb...
carleton.scholaris.ca/items/bb97bb...
June 7, 2025 at 2:41 PM
In case anyone is interested in reading my PhD dissertation, "Counterterrorist Financing and the Evolution and Adaptation of Terrorist Tactics", it's now publicly available at this link:
carleton.scholaris.ca/items/bb97bb...
carleton.scholaris.ca/items/bb97bb...
Reposted by Bart Schuurman
Painful lessons from recent elections open.substack.com/pub/antoanet...
Painfull lessons: Poland's presidential election
Conservatives around the world, unite?
open.substack.com
June 7, 2025 at 5:26 PM
Painful lessons from recent elections open.substack.com/pub/antoanet...
Reposted by Bart Schuurman
Ukraine has surprised us so many times over the last 3 years.
Just a few examples: The Moskva (2022), counter offensive (2023), Kursk (2024) and now the drone attack on Russian bombers.
Let’s keep up our support, we can be sure Ukraine will keep up its surprises! 🇺🇦
Just a few examples: The Moskva (2022), counter offensive (2023), Kursk (2024) and now the drone attack on Russian bombers.
Let’s keep up our support, we can be sure Ukraine will keep up its surprises! 🇺🇦
June 1, 2025 at 5:26 PM
Ukraine has surprised us so many times over the last 3 years.
Just a few examples: The Moskva (2022), counter offensive (2023), Kursk (2024) and now the drone attack on Russian bombers.
Let’s keep up our support, we can be sure Ukraine will keep up its surprises! 🇺🇦
Just a few examples: The Moskva (2022), counter offensive (2023), Kursk (2024) and now the drone attack on Russian bombers.
Let’s keep up our support, we can be sure Ukraine will keep up its surprises! 🇺🇦
Now this looks like a real 'special military operation': www.bbc.com/news/live/cg...
Ukraine-Russia war live: Drones 'emerged from trucks' before strikes on bombers during major attack in Russia
A major operation has been launched by Ukraine using drones to destroy Russian strategic bomber planes, according to the Ukrainian security service.
www.bbc.com
June 1, 2025 at 7:01 PM
Now this looks like a real 'special military operation': www.bbc.com/news/live/cg...
Reposted by Bart Schuurman
𝗥𝘂𝘀𝘀𝗶𝘀𝗰𝗵𝗲 𝗮𝗰𝘁𝗶𝗲𝘀 𝘁𝗲𝗴𝗲𝗻 𝗘𝘂𝗿𝗼𝗽𝗮 𝗻𝗮 𝗱𝗲 𝗶𝗻𝘃𝗮𝗹 𝗶𝗻 𝗢𝗲𝗸𝗿𝗮ï𝗻𝗲
Actualiteitencollege 𝟮𝟲 𝗺𝗲𝗶 in Den Haag
Waarom & waarvoor moet Europa weerbaar & waakzaam zijn t.ov. Rusland? Na toelichting van @bartschuurman.bsky.social is veel ruimte voor vragen & interactie met het publiek olv @ilgrandemichel.bsky.social 👇
Actualiteitencollege 𝟮𝟲 𝗺𝗲𝗶 in Den Haag
Waarom & waarvoor moet Europa weerbaar & waakzaam zijn t.ov. Rusland? Na toelichting van @bartschuurman.bsky.social is veel ruimte voor vragen & interactie met het publiek olv @ilgrandemichel.bsky.social 👇
Russische acties tegen Europa na de inval in Oekraïne
De Russische invasie van Oekraïne zorgde voor een grote crisis in Europa. Veel landen steunden Oekraïne met wapens en hulp. Als reactie probeert Rusland Europa te verzwakken met sabotage en verdeeldhe...
www.leidenglobal.org
May 25, 2025 at 3:37 PM
𝗥𝘂𝘀𝘀𝗶𝘀𝗰𝗵𝗲 𝗮𝗰𝘁𝗶𝗲𝘀 𝘁𝗲𝗴𝗲𝗻 𝗘𝘂𝗿𝗼𝗽𝗮 𝗻𝗮 𝗱𝗲 𝗶𝗻𝘃𝗮𝗹 𝗶𝗻 𝗢𝗲𝗸𝗿𝗮ï𝗻𝗲
Actualiteitencollege 𝟮𝟲 𝗺𝗲𝗶 in Den Haag
Waarom & waarvoor moet Europa weerbaar & waakzaam zijn t.ov. Rusland? Na toelichting van @bartschuurman.bsky.social is veel ruimte voor vragen & interactie met het publiek olv @ilgrandemichel.bsky.social 👇
Actualiteitencollege 𝟮𝟲 𝗺𝗲𝗶 in Den Haag
Waarom & waarvoor moet Europa weerbaar & waakzaam zijn t.ov. Rusland? Na toelichting van @bartschuurman.bsky.social is veel ruimte voor vragen & interactie met het publiek olv @ilgrandemichel.bsky.social 👇
Reposted by Bart Schuurman
Hi all, just sent out my free weekend update. This was the week where it was said many things changed, but actually little did. Trump basically gave up pretending he was trying to negotiate in good faith and said if Putin doesn’t want a deal, that’s fine by him. open.substack.com/pub/phillips...
Weekend Update #134: The Week When Everything and Nothing Changed
At least the Pantomime Might Be Over.
open.substack.com
May 25, 2025 at 8:41 AM
Hi all, just sent out my free weekend update. This was the week where it was said many things changed, but actually little did. Trump basically gave up pretending he was trying to negotiate in good faith and said if Putin doesn’t want a deal, that’s fine by him. open.substack.com/pub/phillips...
Reposted by Bart Schuurman
My book, Stop the Machines, is out today (July 28 in the US).
As AI advances and global crises intensify, a countercurrent is emerging: groups that want to dismantle the technological system, rather than merely critique or regulate it.
tinyurl.com/ynaus6y2
As AI advances and global crises intensify, a countercurrent is emerging: groups that want to dismantle the technological system, rather than merely critique or regulate it.
tinyurl.com/ynaus6y2
Stop the Machines: The Rise of Anti-Technology Extremism
Stop the Machines: The Rise of Anti-Technology Extremism, The last few years have witnessed a re-emergence of anti-technology extremism – groups which have progressively taken a more antagonistic stan...
tinyurl.com
May 23, 2025 at 11:27 AM
My book, Stop the Machines, is out today (July 28 in the US).
As AI advances and global crises intensify, a countercurrent is emerging: groups that want to dismantle the technological system, rather than merely critique or regulate it.
tinyurl.com/ynaus6y2
As AI advances and global crises intensify, a countercurrent is emerging: groups that want to dismantle the technological system, rather than merely critique or regulate it.
tinyurl.com/ynaus6y2
Reposted by Bart Schuurman
Net terug van een diep indrukwekkende reis in Oekraïne. Vol ontmoeting met krachtige mensen ondanks alle leed. Van revaliderende veteranen tot ontheemde vrouwen die hun leven weer opbouwen. Samen met Kerk in actie ging ik op pad. Lees hier meer: www.nd.nl/lees/1269274
‘Kerk kan in oorlog helpen bij mentale weerbaarheid.’ Mirjam Bikker bezoekt kerkleiders in Oekraïne
Lokale partners van Kerk in Actie in West-Oekraïne praten Mirjam Bikker bij, drie jaar na het begin van de oorlog. De rol en verantwoordelijkheid van kerken is veranderd. ‘Spreek je ook die huilende w...
www.nd.nl
May 21, 2025 at 5:53 AM
Net terug van een diep indrukwekkende reis in Oekraïne. Vol ontmoeting met krachtige mensen ondanks alle leed. Van revaliderende veteranen tot ontheemde vrouwen die hun leven weer opbouwen. Samen met Kerk in actie ging ik op pad. Lees hier meer: www.nd.nl/lees/1269274
Reposted by Bart Schuurman
🚨NEW🚨
@surajlakhani.bsky.social and my new edited collection is out! Hard copy available in a few months. academic.oup.com/book/60071
@surajlakhani.bsky.social and my new edited collection is out! Hard copy available in a few months. academic.oup.com/book/60071
The Sociology of Violent Extremism: Theoretical and Sociological Approaches
This book is an essential collection addressing key challenges in studying violent extremism. Since the terrorist attacks of September 11, 2001, terrorism
academic.oup.com
May 15, 2025 at 1:43 PM
🚨NEW🚨
@surajlakhani.bsky.social and my new edited collection is out! Hard copy available in a few months. academic.oup.com/book/60071
@surajlakhani.bsky.social and my new edited collection is out! Hard copy available in a few months. academic.oup.com/book/60071
Reposted by Bart Schuurman
Would Lithuanians fight if they were attacked by #Russia? Ex-FM @glandsbergis.bsky.social weighs in. My #podcast, #TheGlobalAgora: ko-fi.com/post/Podcast...
If you enjoy what I do, please buy me coffee. Thank you! #Lithuania #Ukraine #Russia #Putinswar
If you enjoy what I do, please buy me coffee. Thank you! #Lithuania #Ukraine #Russia #Putinswar
Podcast:Lithuania's Ex-FM Landsbergis about Ukraine, Russia, Europe...
Andrej Matisak published a post on Ko-fi
ko-fi.com
May 15, 2025 at 7:56 AM
Would Lithuanians fight if they were attacked by #Russia? Ex-FM @glandsbergis.bsky.social weighs in. My #podcast, #TheGlobalAgora: ko-fi.com/post/Podcast...
If you enjoy what I do, please buy me coffee. Thank you! #Lithuania #Ukraine #Russia #Putinswar
If you enjoy what I do, please buy me coffee. Thank you! #Lithuania #Ukraine #Russia #Putinswar
Reposted by Bart Schuurman
Proofs done, so this one by @rikpeels.bsky.social and me (along with a cast of stellar contributors) is about to drop.
May 13, 2025 at 11:53 AM
Proofs done, so this one by @rikpeels.bsky.social and me (along with a cast of stellar contributors) is about to drop.
Reposted by Bart Schuurman
Why can't nihilism be described as an ideology?
A rise in violent attacks—from US school shootings to stabbings in Sweden—resembles terrorism or extremist violence, but it isn’t actually driven by any ideology. ISD’s new Investigation explores the rise of nihilistic violence and the online communities fueling it. www.isdglobal.org/digital_disp...
Terror without ideology? The rise of nihilistic violence – An ISD Investigation
ISD examines how online nihilistic communities inspire violence and challenge terrorism frameworks built around ideological threats.
www.isdglobal.org
May 8, 2025 at 6:50 PM
Why can't nihilism be described as an ideology?