Catherine Crump
@catherinecrump.bsky.social
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Clinical Professor @BerkeleyLaw focused on the impact of emerging technologies on civil liberties
1/2 Contrary to recent rhetoric from DHS, the law is clear: ICE agents generally cannot enter a home without a judicial warrant.
2 days ago
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Frustrating that in an era where 80 % of major law enforcement agencies have body-worn cameras, ICE has so few of them. President Biden signed an Executive Order requiring body-worn cameras---which President Trump repealed on his first day in office.
3 days ago
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reposted by
Catherine Crump
Jameel Jaffer
5 days ago
Laird v Tatum was a terrible decision that continues to haunt our democracy half a century later.
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A new frontier in unchecked surveillance: retailers are turning their facial recognition systems into tools for law enforcement to spot persons of interest.
7 days ago
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reposted by
Catherine Crump
Jameel Jaffer
11 days ago
If you're wondering what Jeff Bezos, the owner of the Washington Post, has said publicly in response to the FBI's raid of a Washington Post reporter's home last week, the answer is nothing.
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reposted by
Catherine Crump
Jameel Jaffer
8 days ago
Mark Carney's remarks at Davos are worth reading in their entirety. This is the kind of leadership the world needs.
paulwells.substack.com/p/the-carney...
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The Carney doctrine
Open comment thread on the PM's Davos speech
https://paulwells.substack.com/p/the-carney-doctrine
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I worked on the Biden Administration's push to ban federal agents from using chokeholds. Federal policy is clear: unless deadly force is authorized, chokeholds are off limits.
14 days ago
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āWe will not obstruct ... We are not escalating.ā Despite these mantras, the friction between ICE watchers and federal agents is at a breaking point. Given the tragedy in Minneapolis, I am re-sharing this explainer on the right to record law enforcement
www.youtube.com/shorts/x3fB_...
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Do you have a First Amendment right to record ICE raids?
YouTube video by UC Berkeley School of Law
https://www.youtube.com/shorts/x3fB_XHuKpI
16 days ago
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How does the UC Berkeley Law Samuelson Clinic advance the public interest in an era of rapid technological change? By going deep.
about 1 month ago
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Yet another example of troubling third party surveillance networks that circumvent the spirit if not always the letter of restrictions on police data collection.
www.npr.org/2025/12/16/n...
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Live cameras are tracking faces in New Orleans. Who should control them?
A private non-profit operates over 200 cameras with live facial recognition in New Orleans. The system raises questions about privacy, legal authority and who should control surveillance technology.
https://www.npr.org/2025/12/16/nx-s1-5616681/new-orleans-live-facial-recognition-surveillance
about 1 month ago
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In court tomorrow at 10am: a hearing on the Department of Energy's termination of UC researchers' grants. Listen here:
cand.uscourts.gov/judges/rfl/l...
about 1 month ago
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This is a must-read for anyone paying attention to the Trump Administrationās assault on higher ed. A new investigation reveals how Trump officials pressured DOJ career lawyers to manufacture a case against UCLA despite a glaring lack of evidence.
www.propublica.org/article/ucla...
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Trumpās DOJ Pressured Lawyers to āFindā Evidence that UCLA Had Illegally Tolerated Antisemitism
An investigation by ProPublica and The Chronicle of Higher Education reveals how the U.S. government ignored due process to gin up its attack on the University of California.
https://www.propublica.org/article/ucla-antisemitism-investigation-trump-doj
about 2 months ago
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Not defending what happened here. But it compelled me to read the UC policy, which is alarmingly vague and broad. It prohibits "indoctrination" and requires staying "aloof from politics." Pretty tough to know how to discuss law, politics, economics, etc
www.berkeleyside.org/2025/12/09/p..
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UC Berkeley suspends lecturer for sharing pro-Palestinian views in his classroom
Peyrin Kao said he believes UC Berkeley is capitulating to the demands of the Trump administration. Cal said it was responding to student complaints.
https://www.berkeleyside.org/2025/12/09/p..
about 2 months ago
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reposted by
Catherine Crump
Cyrus Farivar
about 2 months ago
Now that Iām back on the job market, Iām open to freelance work! So Iām partying like itās the 2010s, baby, when Twitter was on the rise! (Hereās my first byline of the 2020s with
@arstechnica.com
, which was my professional home from 2012 - 2019.)
bsky.app/profile/arst...
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Good to see civil liberties groups suing to force release of the boat strikes memo. The public deserves clear answers regarding the government's legal rationale for the boat strikes, and this information should be released now, while the debate is live.
www.aclu.org/cases/foia-c...
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FOIA Case Seeking the Trump Administrationās Legal Justification for Deadly Boat Strikes | American Civil Liberties Union
The Department of Justiceās Office of Legal Counsel (āOLCā) authored a legal opinion that reportedly claims to justify the Trump administrationās illegal lethal strikes on civilians in boats in the Ca...
https://www.aclu.org/cases/foia-case-seeking-legality-of-trump-admins-boat-strikes?document=Complaint
about 2 months ago
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reposted by
Catherine Crump
UC Berkeley Law
about 2 months ago
Do noncitizens have the same rights as citizens? This special episode of ššµ'š“ šµš©š¦ šš¢šø features Professor Catherine Crump, Robert Glushko Clinical Professor of Practice in Technology Law. https://youtube.com/shorts/xMQeU-FIJHQ?feature=share #ItstheLaw #BerkeleyLaw
@catherinecrump.bsky.social
#ItstheLaw
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Do noncitizens have the same free speech rights as citizens?
YouTube video by UC Berkeley School of Law
https://youtube.com/shorts/xMQeU-FIJHQ?feature=share
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Good for them. The pattern of who this administration dismisses is unmistakable.
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about 2 months ago
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Things that seem increasingly necessary for folks organizing ice watch groupsā¦and other constitutionally protected activity our rogue administration did not like
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about 2 months ago
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reposted by
Catherine Crump
David Shiffman, Ph.D. š¦
about 2 months ago
A few years ago, Bill Nye the science guy debated creationist Ken Ham about evolution. The last question was "what would change your mind?" Bill Nye said "Evidence." Ken Ham said "Nothing can possibly change my mind about this." I think about that a lot.
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Do you have a First Amendment right to record ICE raids? I recently joined an episode of "It's the Law" to explain the constitutional protections for recording law enforcement activity in public. It is a critical right that everyone should understand.
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about 2 months ago
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Exactly this--having to deploy the police to protect the National Guard reduces police resources for combatting crime, the supposed rationale for the Guard present in the first place.
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about 2 months ago
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Agree that this use of AI in policing is probably premature, but I like that officers are thinking about how to use AI to increase officer compliance with policies. We should be supportive of that instinct.
add a skeleton here at some point
about 2 months ago
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reposted by
Catherine Crump
UC Berkeley Law
2 months ago
"I do think there's a measure of individual responsibility people need to take. They need to be mindful of what an AI chat is. And it's a word-association machine," Professor Catherine Crump told
@people.com
https://bit.ly/4pw0QUe #BerkeleyLaw #AI
@catherinecrump.bsky.social
#BerkeleyLaw
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ChatGPT Questions Are Getting People Arrested, Authorities Say: Experts Break Down What Not to Type
In recent months, authorities allege, multiple Florida teenagers have conducted searches on ChatGPT that led to them being in the crosshairs of law enforcement or facing criminal charges
https://people.com/some-chatgpt-questions-are-getting-people-arrested-police-say-11830106
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If you need a break from the news, I highly recommend this story about the 1995 Cal vs. Stanford mascot brawl. Bear v. Tree!
www.sfgate.com/collegesport...
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What really happened the night Oski beat up the Stanford Tree
"I must've been 18 beers deep at that point. I was in big trouble."
https://www.sfgate.com/collegesports/article/stanford-tree-cal-oski-bear-college-mascot-fight-21195020.php
2 months ago
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What she said. I mean, do we even have to argue about this? A professor who asks a convicted sex offender for advice on seducing a mentee has no place in a classroom.
www.youtube.com/watch?v=Hdsa...
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'Larry Summers Should Not Be Trusted': Elizabeth Warren Blasts Former Treasury Sec. For Epstein Link
YouTube video by Forbes Breaking News
https://www.youtube.com/watch?v=Hdsa0RDqmJ4
2 months ago
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Another angle on free speech at UC Berkeley: The Law School @fedsoc hosted "Why Israel Won" featuring (among others) John Yoo. Law Students for Justice in Palestine protested outside. The event proceeded undisrupted, the protesters expressed their views, all were heard. That's how it should go
2 months ago
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Caught the AFSCME union workers protesting this morningāpeaceful and loud in the best way. Fingers crossed the rest of today's speech events on campus go forward with the same respect for the rules of engagement.
2 months ago
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Following up on a Daily Cal report from last week: 4 @UCBerkeley students were arrested for felony vandalism. Their protest against Charlie Kirk reportedly involved displaying posters w/ his quotes & attempting to hang a cardboard bug on Sather Gate. 1/4
2 months ago
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I love the Wayback machine. This piece is a lively and fun overview of the @internetarchive's history and current work, including its race to keep up with new forms of media, like AI outputs and ephemeral social content.
www.cnn.com/2025/11/16/t...
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Inside the old church where one trillion webpages are stored | CNN Business
The Internet Archive is preserving the web one page at a time, a job thatās more critical than ever as the internet evolves in the age of AI.
https://www.cnn.com/2025/11/16/tech/internet-archive-wayback-machine
2 months ago
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This seems right. But OMG, it seems terrible for us all that the cost of leading an academic institution these days is the inevitably shredding of your personal reputation.
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3 months ago
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The argument in this academic freedom and funding case is starting right now! See the livestream link.
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3 months ago
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This ACLU post details the deployment of Mobile Fortify, a face recognition app, by ICE. Critically, the program was rolled out with no specific congressional authorization or meaningful public debate, raising questions about executive agency accountability and oversight
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3 months ago
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The new @scotusblog survey makes me worry for its future. Their unique value isn't just covering SCOTUS, it's their singular focus on it, across all subjects. That's the one-stop resource I rely on.
3 months ago
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Tomorrow, Friday 9 AM: @BerkeleyLaw Dean Erwin Chemerinsky argues in the 9th Circuit in Thakur v. Trump. He will defend preliminary injunctions that restored ~$1 billion in research grants to the UC system. Watch the livestream:
www.ca9.uscourts.gov/media/live-o...
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Live Video Streaming of Oral Arguments and Events
https://www.ca9.uscourts.gov/media/live-oral-arguments/#HigherEd
3 months ago
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Sometimes you just have to step back and marvel at the catastrophe. We are a country that can feed our people but won't. Your air traffic controller may have just gotten off a second job as a Lyft driver. A Fox News anchor is on a firing rampage through the Pentagon.
3 months ago
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Wow. Even the FBI thinks ICE agents should identify themselves--and, now, that criminals posing as ICE officers are committing crimes. Great story by
@dell.bsky.social
and
@carolinehaskins.bsky.social
www.wired.com/story/fbi-wa...
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FBI Warns of Criminals Posing as ICE, Urges Agents to ID Themselves
In a bulletin to law enforcement agencies, the FBI said criminal impersonators are exploiting ICEās image and urged nationwide coordination to distinguish real operations from fakes.
https://www.wired.com/story/fbi-warns-of-criminals-posing-as-ice-urges-agents-to-id-themselves/
3 months ago
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Great that Boston's new police union agreement requires patrol officers to wear nametags. Basic accountability dictates that law enforcement agents be identifiable; otherwise, they can't be held responsible for their actions.
www.bostonglobe.com/2025/11/03/m...
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Bostonās largest police union extends labor contract by one year - The Boston Globe
The extension includes a handful of changes to the unionās previous contract, including 2 percent raises for all officers and a requirement that all patrol officers wear name tags.
https://www.bostonglobe.com/2025/11/03/metro/boston-police-union-contract-extension-michelle-wu/
3 months ago
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Glad that despite our return to harsh "law and order" rhetoric, experiments with alternative responders continue. It often makes sense to send a case worker not an armed officer to respond to someone in a mental health crisis.
cbs6albany.com/news/local/a...
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Albany Police program sees success with program targeting mental health crises
The Albany Police Department officially launched the Community Advocacy Response Team (CART) just one month after first introducing the initiative. The program
https://cbs6albany.com/news/local/albany-police-program-sees-success-with-program-targeting-mental-health-crises
3 months ago
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How can the public hold government accountable when its agents are unidentifiable and their vehicles are untraceable? Reports of ICE agents removing license plates, in addition to masking, are deeply alarming. I shared my concerns with @NPR for this new report.
www.npr.org/2025/10/28/n...
3 months ago
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Great news--a third university has rejected President Trump's compact on higher education, which undercuts academic freedom in the guise of purporting to restore it. Five more universities to go.
www.latimes.com/california/s...
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USC rejects Trump education compact aimed at shifting the university to the right
USC interim President Beong-Soo Kim said in a statement that he had sent a letter to the U.S. Department of Education turning down the Trump offer.
https://www.latimes.com/california/story/2025-10-16/usc-rejects-trump-education-compact
3 months ago
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This opinion temporarily halting the Trump Administration's mass firings of federal employees during the shutdown is worth 10 minutes of your time for its description of the shambolic, unprecedentedly partisan, and probably illegal way it's being carried out.
www.courtlistener.com/docket/71502...
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Order on Motion for TRO ā #56 in American Federation of Government Employees, AFL CIO v. United States Office of Management and Budget (N.D. Cal., 3:25-cv-08302) ā CourtListener.com
ORDER GRANTING MOTION FOR TEMPORARY RESTRAINING ORDER; ENJOINING SHUTDOWN- RELATED RIFS; AND SETTING SCHEDULE FOR HEARING ON MOTION FOR PRELIMINARY INJUNCTION granting 17 Motion for TRO; granting 38 M...
https://www.courtlistener.com/docket/71502325/56/american-federation-of-government-employees-afl-cio-v-united-states/
3 months ago
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"As the mother of grade-school children, I share Jean Twengeās frustration with kidsā endless capacity to circumvent poorly built parental controls. As a First Amendment expert, however, I donāt believe that government-mandated age verification is the answer." Read my letter (link in comment)
4 months ago
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reposted by
Catherine Crump
Holly Doremus
5 months ago
I am trying to get back to posting regularly on Legal Planet, the UC Berkeley / UCLA environmental law blog. Here's my take on the Trump administration's response to the International Maritime Organization's greenhouse gas reduction framework.
legal-planet.org/2025/09/03/t...
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https://legal-planet.org/2025/09/03/the-trump-administration-takes-on-the-international-maritime-organization/
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I have an opinion piece in The Hill today arguing that the Trump Administrationās work to break down āinformation silos,ā far from promoting efficiency, is creating a data dragnet that can be used to target political enemies and risks ensnaring innocent people.
thehill.com/opinion/whit...
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https://thehill.com/opinion/white-house/5472882-the-governments-massive-data-dragnet-isnt-about-efficiency-its-about-fear/
5 months ago
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This one's for you, grammar nerds. My students are no longer putting periods at the end of the terminal sentences in their paragraphs. Do we:
9 months ago
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Job alert! Come work in the Berkeley Law Clinical Program with me.
www.linkedin.com/jobs/view/42...
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University of California, Berkeley hiring Paralegal, Clinical Program (7386U), Berkeley Law - #77547 in Berkeley, CA | LinkedIn
Posted 11:44:07 AM. About BerkeleyAt the University of California, Berkeley, we are dedicated to fostering a communityā¦See this and similar jobs on LinkedIn.
https://www.linkedin.com/jobs/view/4206132628/
10 months ago
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Honestly. The Trump Administration is trying to āhustle people onto those planesā to El Salvador before courts can stop them. Devastating that the Supreme Court focused instead on whether the case was filed under the Administrative Procedure Act or under habeas.
www.supremecourt.gov/opinions/24p...
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https://www.supremecourt.gov/opinions/24pdf/24a931_2c83.pdf
10 months ago
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Proud to have joined more than 90 of my
@ucberkeleylaw.bsky.social
colleagues in signing this letter expressing concern for the attacks on the rule of law.
sites.google.com/view/blsrule...
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Berkeley Law Scholars on the Rule of Law
As members of the Berkeley Law faculty, we are honored to teach and to study the principles of law and constitutional democracy. We are writing today in our individual capacities to express our concer...
https://sites.google.com/view/blsruleoflaw/home
10 months ago
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It's a small point given everything going on, but President Biden's police reform executive order was among the many repealed yesterday.
@erinmurphyslaw.bsky.social
@chiraagbains.bsky.social
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Initial Rescissions Of Harmful Executive Orders And Actions ā The White House
By the authority vested in me as President by the Constitution and the laws of the United States of America, itĀ isĀ hereby ordered as
https://www.whitehouse.gov/presidential-actions/2025/01/initial-rescissions-of-harmful-executive-orders-and-actions/
about 1 year ago
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