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Kevin Jon Heller

@kevinjonheller

Professor of International Law & Security, University of Copenhagen, Centre for Military Studies. Academic Member, Doughty Street Chambers (UK). Arsenal, Bears, Magpies, All Blacks.

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Latest posts by Kevin Jon Heller @kevinjonheller

Brilliant. I would add, though, that US strikes in Syria are not the exception that proves the rule. They were motivated not by humanitarian concerns for Syrian civilians, but by the fear that chemical weapons would fall into the hands of actors that might use them against Americans.

10.03.2026 06:46 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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The Royal Danish Defence College invites applications for Associate Professor in Military Operations or Assistant Professor We are looking for expertise in the study of warfare and military operations, including (but not limited to) intelligence, military theory, country- or region-s

Three open positions at the assistant/associate level at the Royal Danish Defence College. πŸ“… Deadline 29 March.

πŸ‘‰ Military Operations: candidate.hr-manager.net/ApplicationI...

πŸ‘‰ AI, new technologies and frontline leadership: candidate.hr-manager.net/ApplicationI...

Reach out if you have questions

09.03.2026 19:34 πŸ‘ 33 πŸ” 16 πŸ’¬ 0 πŸ“Œ 1

Whatever Thomas Weiss says about ICISS, nothing in R2P permits the use of force without Security Council approval. That is crystal clear from the High Level Panel report, the UNSG report, and the World Summit Outcome Document. Here's the UN page. www.un.org/en/genocide-....

08.03.2026 21:11 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

The Xavier Collins character in Paradise S02E04 was reading Mary Shelley's "The Last Man" -- Shelly's best book. (Yes, I will die on that hill.) A perfect choice given the nature of the show.

07.03.2026 23:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

What AI skills need to be developed exactly? How to copy and paste a question prompt? How to write a more precise command or inquiry? How to better disguise and humanize the resulting AI essay?

These are hardly "critical" skills. And none of this is "education."

07.03.2026 18:48 πŸ‘ 74 πŸ” 25 πŸ’¬ 4 πŸ“Œ 1

(To be clear, I am not offering an opinion about whether the attack was legal. I'm just commenting on how mistakes of fact function in domestic and international criminal law.)

07.03.2026 15:26 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

A defendant always runs the risk that a "mistake" is so unreasonable that the finder of fact concludes it was not honestly made. But if the fact-finder concludes that the mistake was honestly made, the defendant did not act with recklessness or dolus eventualis even if the mistake was unreasonable.

07.03.2026 15:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

There are a few civil-law systems that still make use of "unconscious recklessness." Turkey is an example. The UK used to use that mens rea (Caldwell recklessness) but it was eliminated in 2003. There has never been unconscious recklessness in international criminal law.

07.03.2026 15:13 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

It's true that some war crimes under customary international law (and a couple in the Rome Statute) require only recklessness/dolus eventualis. But an honest mistake negates any mens rea that requires conscious awareness, as both do.

07.03.2026 14:49 πŸ‘ 5 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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🚨Just published with @cspjournal.bsky.social: A Civilisational Imaginary of Western Military Technology

I look at how narratives of β€œcivilisation” and β€œThe West” distort thinking around the design, regulation, and use of military technology, including military AI
www.tandfonline.com/doi/full/10....

06.03.2026 21:12 πŸ‘ 16 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0

Amazing public service. The journalist has an MSc in International Human Rights Law from Oxford. It shows.

04.03.2026 21:55 πŸ‘ 25 πŸ” 8 πŸ’¬ 3 πŸ“Œ 0

John Sayles once said a director who doesn't edit their own films isn't a director. The corollary is that a scholar who doesn't create their own outlines isn't a scholar. Outlining with #AI isn't scholarship.

04.03.2026 09:01 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Wtaf. This is an actual sentence in an actual book. The 2nd edition of Natural Law and Natural Rights published in *2011*

I knew Finnis was an un reconstructed arsehat, but ...

02.03.2026 00:53 πŸ‘ 9 πŸ” 2 πŸ’¬ 3 πŸ“Œ 0

This @theverge.com series looks amazing. Particularly interested in "For Scale," about the use of high-explosive munitions -- an amount in South Vietnam described by one scholar as "equivalent to dropping one Hiroshima-sized atomic bomb... every five days throughout the seven year period.”

27.02.2026 21:20 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

For outsiders -- which includes me -- I asked Gemini to create a chart of where the parties fall on the political spectrum. Seems accurate, though Danish friends please weigh in! It's great to see the environmentalist Socialistisk Folkeparti (SF/F) in second place and growing.

27.02.2026 10:57 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Nearly every day I wake up and think how lucky I am to live in a society that, though hardly without its problems, is generally healthy and well-functioning. β€οΈπŸ‡©πŸ‡°

27.02.2026 10:43 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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The Pentagon/Anthropic Clash Over Military AI Guardrails [Jessica Dorsey is an Assistant Professor of International Law at Utrecht University School of Law; Elke Schwarz is a Professor of Political Theory at Queen Mary University London; Ingvild Bode is …

Together with some stellar colleagues I reflect on the implications of this very public dispute between Anthropic and the DoD about ethical red lines. Read it here on @opiniojuris.bsky.social ttps://opiniojuris.org/2026/02/26/the-pentagon-anthropic-clash-over-military-ai-guardrails/

26.02.2026 09:51 πŸ‘ 12 πŸ” 7 πŸ’¬ 0 πŸ“Œ 0

A hidden benefit of being an arrogant academic: believing that you will always write better than an AI.

26.02.2026 09:23 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Indomitable, indefatigable, and inestimable.

25.02.2026 13:51 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Today's major accomplishment. (Anyone who points out the flags are not perfectly straight will be immediately blocked. It's already going to torture me forever.)

24.02.2026 10:36 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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This one hits hard.

21.02.2026 22:59 πŸ‘ 35634 πŸ” 10541 πŸ’¬ 778 πŸ“Œ 592
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New Background Paper on Hypersonic Weapons and International Law My academic home β€” the Centre for Military Studies at the University of Copenhagen, which is part of the Department of Political Science β€” has just published a new background paper I wr…

I have posted a new background paper on hypersonic weapons and international law @opiniojuris.bsky.social. Comments and criticisms welcome! opiniojuris.org/2026/02/20/n...

20.02.2026 15:43 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Assessing Syria’s Progress Since Assad [Fadelβ€―AbdulghanyΒ is executive director of the Syrian Network for Human Rights and author of The Use of Chemical Weapons in Syria and the Failure of the International Community and Undermining the …

Please read the very important new post @opiniojuris.bsky.social by Fadel Abdulghany and @kenroth.bsky.social about post-Assad #Syria. opiniojuris.org/2026/02/20/a...

20.02.2026 14:42 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Wait, haven't all the AI mega-corporations been telling us that they absolutely, positively have to steal our intellectual property or the entire industry will collapse like a flan in the cupboard? (To appropriate the great Eddie Izzard.)

20.02.2026 11:41 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I particularly love SDR's concluding paragraph. πŸ‘πŸ‘πŸ‘

20.02.2026 08:04 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

This is a great review of a terrible book. I admire SDR's ability to read it all; I stopped after a couple of chapters. It's too bad Gladwell didn't spend 10,000 hours researching his subject; maybe then he wouldn't have produced a parody of serious scholarship.

20.02.2026 06:42 πŸ‘ 1 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0
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US chemical giant to stop producing herbicide called β€˜toxic cocktail’ by critics Corteva will discontinue a mixture of an Agent Orange ingredient and glyphosate, but another of its herbicides will still use Vietnam war-era defoliant

Another chemical company, Corteva, recently agreed to discontinue the herbicide Enlist Duo, which combined glyphosate with 2,4-D, one of the key ingredients in Agent Orange -- the herbicide that caused so much environmental destruction during the Vietnam War. www.theguardian.com/environment/...

19.02.2026 20:14 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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This @houseagdems.bsky.social announcement is ironic, given that two days ago #Bayer, which acquired Monsanto in 2018, agreed to pay a plaintiff class $7.25 billion for failing to warn consumers that the #glyphosate in the herbicide #Roundup was linked to cancer. www.theguardian.com/business/202...

19.02.2026 20:04 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Britons living in EU face repayment hikes amid Reeves student loans row Exclusive: UK graduates in Germany, Belgium and possibly other countries informed of rises as salary threshold is cut

Britons living in EU face repayment hikes amid Reeves student loans row.

Choice - Stay in the UK, be unemployed, claim dole OR go and work in EU, make higher loan repayments

How many would sever links with the UK?

Most European countries do not charge University tuition fees

UK system is a mess.

19.02.2026 08:00 πŸ‘ 224 πŸ” 80 πŸ’¬ 15 πŸ“Œ 6

"It really has to sting for Bari. The person she wanted for the Evening News anchor chair is choosing to leave CBS altogether because of her," one CBS News staffer told me tonight. "This is 'fuck you' to Bari."

17.02.2026 00:35 πŸ‘ 3640 πŸ” 769 πŸ’¬ 101 πŸ“Œ 33