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Posted by anigbrowl 12/19/2025

Brown/MIT shooting suspect found dead, officials say(www.washingtonpost.com)
https://archive.md/ShO4E

https://www.nbcnews.com/news/us-news/live-blog/brown-univers...

https://www.masslive.com/news/2025/12/were-catching-serial-k...

192 points | 267 commentspage 2
noobermin 12/20/2025|
I hate to bring this up, but the conspiracy theories around this are nuts and I'm honestly quite bothered and annoyed by it. While the death is an absolute tragedy, the idea that the CIA killed him because fusion is around the corner and I suppose Loreiro was to usher in the next age of limitless electricity is quite ridiculous.

I will say that there is a non-zero overlap of people pushing this insanity and the posters here, given what I've seen elsewhere on the internet, and I will kindly ask that you stop.

fithisux 12/20/2025||
It does not make sense why kill Loureiro.

Sorry, but it seems very brittle as a story.

doctorwho42 12/20/2025|
The answer is, no one can know for sure.

The most probably answer from the facts we have is quite simple and human... Jealousy. They both were classmates in the same overseas undergrad program, Nuno was a well established and accomplished professor in one of the preeminent tech schools in the world. While he flunked out of his program, and hasn't done much of note.

Aliabid94 12/19/2025||
Worth noting that a partner at Sequoia (Shaun Maguire) publicly accused the wrong guy of being the shooter.

https://www.fastcompany.com/91463942/sequoia-shaun-maguire-b...

fwip 12/19/2025||
> Maguire subsequently partially apologized for those comments in a video. “This tweet did not land the way I thought it would,”

What an asshole. He could have gotten the kid killed, not to mention the damage to his social reputation. And he can't even manage a "sorry if you were offended" non-apology.

zerocrates 12/20/2025||
The "did not land" video they're talking about, that was his response to people being mad at him for calling Mamdani an Islamist (and being "from a culture that lies about everything"). Also, "partially" is doing a lot of work there: he starts that video saying "cancel culture is alive and well" and doesn't in fact back off at all from his claim: the "did not land" part is even just Maguire lamenting that he accidentally helped Mamdani by targeting him.

Anyway, when he went after the Brown student saying he was "very likely" the shooter (also bringing in Mamdani again), he did less: he simply deleted the video.

fwip 12/20/2025||
Oh - thank you very much for the correction, I must have been reading the article too quickly!
Aurornis 12/20/2025|||
Shaun Maguire has a long history of inflammatory comments and pushing false information on Twitter.

Every time he’s involved in a new scandal I’m surprised all over again that he’s still a partner and Sequoia still hasn’t pressured him to stop.

godelski 12/20/2025|||
I'm impressed he hasn't been fired and sued into bankruptcy.
hiddencost 12/20/2025|||
It's because they agree with him.
throwaway12531 12/20/2025|||
I can't express how puzzled I am that Maguire is still at Sequoia. Forget cancellation; anyone should be free to say whatever they want. This is about judgment, humility, discretion and dare I say empathy, which are fundamental skills in any investment process and which a partner at the most storied venture fund in the word ought to have.

In what world is it good or right to dox a random undergrad based on speculation, simply because maybe just maybe it will net you Internet points? Note that Maguire never apologized once it became clear he was wrong; he simply deleted the post. He gets to keep the engagement and outrage points and move on, paying no price for spreading a dangerous lie. The undergrad he and others doxxed can't say the same.

Shaun would be just another rage-baiter if it wasn't for the Sequoia imprimatur. With an investor like this on your cap table, who needs enemies? It shouldn't matter if Shaun is the "Elon guy" at Sequoia or indeed the best investor in the world. Integrity should and does precede returns in time. But maybe I am naive and this just isn't true for megacap venture as an asset class, where so much depends on sidling up to the 50 or 100 founders who can reliably produce decacorns to return your fund.

Perhaps all we can do is vote with our feet. Sequoia is on my cap table today, but if I was fortunate to have the choice between them and a similar firm that actually demonstrated integrity instead of just talking about it, I would not take money from them again. In all likelihood they won't care a whit about me, but they may care more about some of you, reading this.

tucnak 12/20/2025||
> This is about judgment, humility, discretion and dare I say empathy, which are fundamental skills in any investment process

I'm sorry, don't take this the wrong way, did you smoke pcp before writing this?

tptacek 12/19/2025|||
Graeme Wood (always a good read) on this:

https://www.theatlantic.com/ideas/2025/12/conspiracy-rumors-...

UncleMeat 12/19/2025|||
The whole VC industry is poison at this point.
lawlessone 12/19/2025||
It's like a lottery for rich people.
tucnak 12/20/2025||
Why are you downvoted? VC's mostly give money to rich kids from prestigious schools. VC's basically hate the poor and want nothing to do with them.
__loam 12/19/2025|||
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paulgb 12/19/2025||
I'm mostly surprised that someone can so consistently and repeatedly demonstrate an inability to filter information he receives and still be trusted with LPs' money. It's another form of Gell-Mann amnesia.
fwip 12/19/2025||
Rich guys are mainly incompetent. They'll tell you they're rich because of meritocracy, but I've found that too much money has the opposite effect. You end up surrounded by yes-men and can buy your way out of any failure, so your skills (if you ever had em) atrophy.
unbelievably 12/19/2025|||
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MangoToupe 12/20/2025|||
Everyone knows sequoia can't invest... but this is too far

> Maguire, acting as a self-appointed digital detective, has shared posts suggesting that an entirely different man was behind the crimes—a Palestinian student at Brown University...

> On July 4, Maguire made inflammatory comments calling New York City Mayor-elect Zohran Mamdani an “Islamist.”

Jokes aside, maguire does seem like an emphatically despicable person

barfoure 12/20/2025||
[dead]
barfoure 12/19/2025|||
[flagged]
godelski 12/20/2025|||
Unvelievably's current comment says

  >> Maguire clearly "comes from a culture that lies about everything."
But given yours, did they originally say what you quoted?

I'm trying to understand the downvotes and if people think you said what they said

renewiltord 12/20/2025|||
Everyone is talking in some kind of weird in-group code or in-jokes that I can't understand so I'll decipher it for the rest of us normies.

> Maguire clearly "comes from a culture that lies about everything."

This is a reference to Shaun Maguire's Twitter post where he said that Zohran Mamdani "comes from..."

https://x.com/shaunmmaguire/status/1941135110922969168

> > Maguire is Jewish, with ancestral ties to early Jewish settlers in California.

> Sir, we are going to have to ask you to leave.

This comment appears to be reacting to the first one by assuming the first one is saying that Jewish people lie about everything, and it responds by saying this is unacceptable to say.

I have been off Twitter for 2 months and when I go there I can't understand anything. People are always saying "can I say something?" and "we know what this means" and shit like that and either the 2 months have killed my brain or something because I never know what the first guy isn't going to say and the second guy knows.

Now Hacker News is similarly incomprehensible and I'm starting to think my mind is no longer able to handle human speech. If this is happening to anyone else, then I hope the interpretation helped. If it didn't, then maybe I'm just losing my mind.

protastus 12/20/2025|||
Thanks for the explanation -- I also had no idea what this meant.

I am disturbed that in-group code has been normalized as a way to state socially abhorrent positions out in the open, as if it offered plausible deniability.

barfoure 12/20/2025|||
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laidoffamazon 12/19/2025||
I hate everyone involved in this. It’s like a confluence of every type of perma-victim with immense privilege.
gazabbqparty 12/20/2025||
[flagged]
Tripping5292 12/20/2025||
[flagged]
hiddencost 12/20/2025|
[flagged]
Zopieux 12/20/2025||
>ctrl-f "gun control"

>0 results

Never change, HN.

oceansky 12/20/2025||
Instead, there are people arguing for increased surveillance. Which even if implemented "correctly" would not prevent crime.

Might be used to track women seeking abortions though.

Geonode 12/20/2025||
How did banning drugs work out? Alcohol?
jajuuka 12/22/2025||
These things are not equal. Weed doesn't kill tens of bystanders in an area a second. We can actually look at places that have banned guns and it's done amazing. The reason to not do this are extremely thin at best.
elif 12/20/2025||
Another shooting with random or unclear motives, which conveniently fits an anti-immigrant narrative, also conveniently tied up with a bow... Don't get too caught up in the specifics of the spectacle, and take a long view of really weird coincidence.
eBombzor 12/20/2025|
Is there really much of an anti-immigrant narrative here?
pavon 12/20/2025|||
The Trump administration has suspended the green card lottery program, using this murder as an excuse.
noobermin 12/20/2025||
They are taking advantage of a situation. You'd think a false flag would definitely have someone who could be construed to not be a white immigrant.
krapp 12/20/2025||
I don't think it's a false flag but the online right has already decided the shooter isn't white.

If anyone has ever been confused by the concept of race being a cultural construct, here is an object lesson.

vkou 12/20/2025||||
Any crime by an immigrant or by a non-immigrant can be twisted into an anti-immigrant narrative by Trump. And this one has been.
fastball 12/20/2025||
Which non-immigrant crime was twisted into an anti-immigrant narrative?
rafram 12/20/2025||
Among others:

https://www.pbs.org/newshour/amp/politics/how-a-fox-news-rep...

https://www.bbc.com/news/world-us-canada-68353305.amp

astura 12/20/2025|||
The killer was an immigrant (from Portugal).
websiteapi 12/19/2025||
sadly flock ended up being helpful here (according to the police per the article). also interesting that it was some random homeless guy who happened to be there that blew the whole thing wide open. despite all of the surveillance...
vablings 12/19/2025||
How can you not read this and just see it's a huge puff piece for Flock. As far as I can read from the first article and reports they were not pivotal in tracking down the killer. It was once again only someone else who knew that person and came forward, exactly the same as Tyler Robison case

"Phil Helsel Rhode Island Attorney General Peter Neronha said a person who had information about the suspect played a crucial role in the case."

Computer0 12/19/2025|||
The commentor you are replying to is likely in support of Flock.
websiteapi 12/19/2025||
lol why do you say that?
websiteapi 12/19/2025|||
The police state in the article it was helpful in linking the crimes. What evidence do you have to contradict their testimony?
vablings 12/22/2025||
The other article that is directly contrary to what was stated. Actually, almost every other article covering this story mentions nothing about flock and this article in particular spends more time talking about flock and the company profile rather than the tragedy that occurred
tapoxi 12/19/2025|||
Was it helpful? The man committed two shootings and they caught him after he committed suicide. It didn't prevent a crime.
websiteapi 12/19/2025|||
It connected the two incidents per license plate readings per the article. Why do you think it wasn’t?
bigbuppo 12/19/2025||
My question is how many other license plates also would have been connected this way? What's the false positive rate?
websiteapi 12/19/2025||
Why is that relevant for this case?
bigbuppo 12/19/2025||
If there's any claim that "flock found these two plates were seen in both areas!!111" then how many other plates were seen in both areas in the same timeframe? How much of this is throwing away results that disagree with the narrative?
websiteapi 12/19/2025||
Again, not sure how that’s relevant.
IncreasePosts 12/20/2025||||
He may have only committed suicide once he knew they were closing in.
bagels 12/19/2025|||
Who ever credibly claims that cameras prevent crime though?
blast 12/19/2025|||
> some random homeless guy

Was he homeless? I haven't seen that mentioned in the articles.

ayhanfuat 12/19/2025|||
https://www.foxnews.com/video/6386706790112
WhyOhWhyQ 12/19/2025|||
New York Post states it in a YouTube video titled 'All About Brown, MIT Shooting Suspect Claudio Neves Valente – who BARKED During Massacre'.
Myrmornis 12/20/2025|
“This is a very advanced technology, and whatever nation masters it first is going to have an incredible advantage,” Loureiro says.

https://energy.mit.edu/news/funding-the-fusion-revolution/