Sign in

Gisela Pérez de Acha

@giselilla.bsky.social
1.5K followers 509 following 192 posts

Open Source Investigative Reporter. Founder and CEO of FactFinder. Formerly teaching OSINT at UC Berkeley. Mexicana. Polyglot. Nerd. More at www.giselaperezdeacha.com

PostsRepliesMedia
Reposted by Gisela Pérez de Acha
Alejandra Caraballo @esqueer.net · 27/09/2026
Google finally updated some of its satellite images of Gaza and my god, it's horrific. The entirety of Rafah has been demolished. The majority of Khan Younis is in ruins. Entire towns completely leveled and erased of the map.
9352183198
Gisela Pérez de Acha @giselilla.bsky.social · 25/08/2026
Bárbara la Rosalía
011
Gisela Pérez de Acha @giselilla.bsky.social · 24/08/2026
This week @eileenguo.bsky.social and I talked about our piece on the origins of “the censorship industrial complex” on @techpolicypress.bsky.social’s podcast. Listen here www.techpolicy.press/how-the-cens...
techpolicy.press
How the 'Censorship-Industrial Complex' Narrative Went From Fringe to Trump Policy
A conversation with Eileen Guo and Gisela Perez de Acha, two of three authors of an MIT Technology Review feature digging into the impact of the narrative.
085
Gisela Pérez de Acha @giselilla.bsky.social · 24/08/2026
There’s a special place in hell for parents who let their kids listen to an iPad in max volume on a plane.
000
Gisela Pérez de Acha @giselilla.bsky.social · 11/08/2026
Investigative reporting is hard. But this week a project that has been stuck for over three years is finally moving forward. I can't tell you relieved I feel. I just hope that it works.
010
Reposted by Gisela Pérez de Acha
Anne Applebaum @anneapplebaum.wsocial.eu · 08/08/2026
The belief in a non-existent "censorship industrial complex" now shapes American foreign policy. A brilliant deep dive from the MIT Technology Review www.technologyreview.com/2026/08/07/1...
technologyreview.com
How ideas of a vast censorship network moved from the online fringe to Trump policy
Narratives about a “censorship-industrial complex” spread in right-wing circles for years; then they took hold of Washington. What—and who—is behind them?
16622254
Gisela Pérez de Acha @giselilla.bsky.social · 07/08/2026
Made with Maltego, my love
011
Reposted by Gisela Pérez de Acha
Eliot Higgins @eliothiggins.bsky.social · 07/08/2026
How ideas of a vast censorship network moved from the online fringe to Trump policy www.technologyreview.com/2026/08/07/1...
technologyreview.com
How ideas of a vast censorship network moved from the online fringe to Trump policy
Narratives about a “censorship-industrial complex” spread in right-wing circles for years; then they took hold of Washington. What—and who—is behind them?
48547
Gisela Pérez de Acha @giselilla.bsky.social · 07/08/2026
New story with @eileenguo.bsky.social + @cargocultscientist.bsky.social tracing the origins of the “censorship-industrial complex”: the idea that the right is being heavily censored online www.technologyreview.com/2026/08/07/1... via @technologyreview.com and @typeinvestigations.org
technologyreview.com
How ideas of a vast censorship network moved from the online fringe to Trump policy
Narratives about a “censorship-industrial complex” spread in right-wing circles for years; then they took hold of Washington. What—and who—is behind them?
02110
Reposted by Gisela Pérez de Acha
Eileen Guo @eileenguo.bsky.social · 07/08/2026
W/ith @giselilla.bsky.social + @cargocultscientist.bsky.social, I delved into the origins of the “censorship-industrial complex” idea, how it went from the fringes of the online right to a driver of Trump2 policy, + what it means for the Internet. www.technologyreview.com/2026/08/07/1...
technologyreview.com
How ideas of a vast censorship network moved from the online fringe to Trump policy
Narratives about a “censorship-industrial complex” spread in right-wing circles for years; then they took hold of Washington. What—and who—is behind them?
520495
Reposted by Gisela Pérez de Acha
Bellingcat @bellingcat.com · 08/07/2026
We’re back with a brand-new Bellingcat Open Source Challenge! This month they were created by a guest contributor who has manipulated a series of images. Can you spot what has been edited? Try them here: Challenge.bellingcat.com
18927
Gisela Pérez de Acha @giselilla.bsky.social · 06/07/2026
I ran the @bellingcat.com challenges this month and OMG 🤯 The AI era is confusing for open source researchers. Most of this month's challenges lean straight into that (along with other "edits" that you have to spot) Link here challenge.bellingcat.com Let us know how you solved them!!!
061
Reposted by Gisela Pérez de Acha
Gisela Pérez de Acha @giselilla.bsky.social · 30/06/2026
Spots for the OSINT Summit are flying fast. Join me and Haley Willis (former Visual Investigations at the NYT, one of the best out there) We'll cover cartels on social media, bombings and disinfo. Four days + recordings for only $99 USD Register here gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
121
Gisela Pérez de Acha @giselilla.bsky.social · 30/06/2026
Spots for the OSINT Summit are flying fast. Join me and Haley Willis (former Visual Investigations at the NYT, one of the best out there) We'll cover cartels on social media, bombings and disinfo. Four days + recordings for only $99 USD Register here gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
121
Reposted by Gisela Pérez de Acha
Gisela Pérez de Acha @giselilla.bsky.social · 29/06/2026
I’m so excited to finally make this public! Teaching a four-day Online OSINT Summit with the incredible Haley Willis (former Visual Investigations at the NYT) We’ll cover how to investigate bombings, disinfo and cartels Info and registration here 👉🏼 gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
053
Reposted by Gisela Pérez de Acha
Runa Sandvik @runasand.bsky.social · 29/06/2026
Incredibly excited to attend this four-day OSINT course by @giselilla.bsky.social and Haley Willis next month! Check out the page for details and to sign-up. The course will cover tools for investigating bombings, cartels, and disinfo. gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
173
Gisela Pérez de Acha @giselilla.bsky.social · 29/06/2026
I’m so excited to finally make this public! Teaching a four-day Online OSINT Summit with the incredible Haley Willis (former Visual Investigations at the NYT) We’ll cover how to investigate bombings, disinfo and cartels Info and registration here 👉🏼 gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
053
Gisela Pérez de Acha @giselilla.bsky.social · 25/06/2026
I'm teaching an Online OSINT Summit with the amazing Haley Willis (former NYT OSINT reporter). This is for folks who want to level up their war & conflict research skills. Get better bylines, better clients, better pay. Details and tickets here gisela-perez-de-acha.mykajabi.com/osint_summit
gisela-perez-de-acha.mykajabi.com
FactFinder OSINT Summit
Four days of live OSINT training for journalists, lawyers, and researchers who already know the basics. War, conflict, and disinformation. July 14–17.
011
Gisela Pérez de Acha @giselilla.bsky.social · 09/03/2026
This is such an important read
000
Gisela Pérez de Acha @giselilla.bsky.social · 06/03/2026
This viz is awesome
061
Reposted by Gisela Pérez de Acha
GeoConfirmed @geoconfirmed.org · 01/03/2026
Geoconfirmed Iran. We mapped over 100 locations in the last 48 hours. Visit our map: each pin includes the related footage and its verified geolocation when you click on it. geoconfirmed.org/iran For the BlueSky community, tag us in GeoLocations, they will be added to the map.
03014
Reposted by Gisela Pérez de Acha
Evergreen Intel @vcdgf555.bsky.social · 22/02/2026
Jalisco and Guadalajara are tearing themselves apart right now. Thread. 1/
8256101
Reposted by Gisela Pérez de Acha
James Vincent @jjvincent.bsky.social · 27/12/2025
another robot highlight for 2025: man wearing humanoid mocap suit kicks himself in the balls
9444684414406
Reposted by Gisela Pérez de Acha
Tomi McCluskey @tomi-mcc.bsky.social · 07/11/2025
"One was a fisherman struggling to eke out a living on $100 a month. Another was a career criminal. A third was a former military cadet. And a fourth was a down-on-his-luck bus driver." The AP ID's four of the alleged narcoterrorist killed in early US maritime strikes. apnews.com/article/trum...
apnews.com
Trump has accused boat crews of being narco-terrorists. The truth, AP found, is more nuanced
One was a fisherman struggling to eke out a living on $100 a month. Another was a career criminal. A third was a former military cadet.
142
Gisela Pérez de Acha @giselilla.bsky.social · 12/11/2025
God bless @propublica.org's Nonprofit Explorer projects.propublica.org/nonprofits/ I just love 990s and they made it so easy to find! Been here for hours
projects.propublica.org
Nonprofit Explorer - ProPublica
Since 2013, the IRS has released data culled from millions of nonprofit tax filings. Use this database to find organizations and see details like their executive compensation, revenue and expenses, as...
020
Reposted by Gisela Pérez de Acha
Kate Linthicum @kate-linthicum.bsky.social · 05/11/2025
Mexican President Claudia Sheinbaum was groped Tuesday by a man on the street who kissed her neck and touched her chest. “If they do this to the president," she said, "what must happen to all the young women women?" She's calling for new measures to end harassment www.latimes.com/world-nation...
latimes.com
Mexico's president was groped on the street. Now she's waging war on rampant sexual harassment
Claudia Sheinbaum, Mexico's first female president, is pushing measures against sexual harassment after she was groped by a stranger on the street.
11369110
Reposted by Gisela Pérez de Acha
PEN America @penamerica.bsky.social · 27/10/2025
If you’re a journalist or newsroom leader concerned about safety, join PEN America and the Coalition Against Online Violence’s free webinar, Leading the Way: Building Safer Newsrooms, on Nov. 13th at 12pm ET. (1/2)
1106
Gisela Pérez de Acha @giselilla.bsky.social · 22/09/2025
Bad Bunny & OSINT is my new vibe
110
Gisela Pérez de Acha @giselilla.bsky.social · 07/09/2025
I still miss Twitter. But I guess the world felt like a whole different vibe back then. Maybe I just miss that vibe.
030
Gisela Pérez de Acha @giselilla.bsky.social · 07/09/2025
Worth a read
020
Gisela Pérez de Acha @giselilla.bsky.social · 17/08/2025
Omg I need thiiiiis
020
Reposted by Gisela Pérez de Acha
evacide @evacide.bsky.social · 14/08/2025
ICE is now clean on OPSEC. www.404media.co/ice-adds-ran...
404media.co
ICE Adds Random Person to Group Chat, Exposes Details of Manhunt in Real-Time
The texts were sent to a group called “Mass Text” and show ICE using DMV and license plate reader data in an attempt to find their target, copies of the messages obtained by 404 Media show.
1127778
Gisela Pérez de Acha @giselilla.bsky.social · 14/08/2025
Oh wowwwwww
010
Reposted by Gisela Pérez de Acha
Jon Passantino @passantino.bsky.social · 14/08/2025
A judge ordered the sale of Alex Jones Infowars today, clearing the way for The Onion to renew its attempt to buy the notorious conspiracy-fueled empire. "We’re working on it," @bencollins.bsky.social tells @status.news www.status.news/p/washington...
141144582409
Gisela Pérez de Acha @giselilla.bsky.social · 13/08/2025
I wanna know who runs the cybersecurity infrastructure for Only Fans. Like … how good is it?
162
Gisela Pérez de Acha @giselilla.bsky.social · 13/08/2025
👇🏼👇🏼👇🏼
020
Reposted by Gisela Pérez de Acha
The Atlantic @theatlantic.com · 09/08/2025
By attempting to abdicate any legal responsibility to provide for a healthy environment, the U.S. is running in the opposite direction as the global legal community, @zoeschlanger.bsky.social reports:
bit.ly
America Is Living in a Climate-Denial Fantasy
On climate, the U.S. and the rest of the planet are now in “completely separate worlds.”
1315956
Gisela Pérez de Acha @giselilla.bsky.social · 09/08/2025
"Officials fear that Latin American drug cartels are among those who obtained sensitive court data due to a sweeping breach of the federal judiciary’s case filing system...be able to target cooperating witnesses involved in criminal trials against them." www.politico.com/news/2025/08...
politico.com
Cartels may be able to target witnesses after major court hack
There is growing concern that cartels and foreign actors could use the stolen data to identify informants and foil criminal probes.
001
Gisela Pérez de Acha @giselilla.bsky.social · 08/08/2025
Represent
020
Gisela Pérez de Acha @giselilla.bsky.social · 07/08/2025
This was so bound to happen
000
Reposted by Gisela Pérez de Acha
Teddy Wilson @reportbywilson.bsky.social · 05/08/2025
Christian Secor is White Supremacist and Groyper sentenced to 3-years for the Capitol Riot. Since being pardoned by Trump, Secor attended CPAC, appeared on White Supremacist neo-Nazi podcasts, and was revealed as the anonymous writer behind a book printed by a White Nationalist publishing house.
26530
Gisela Pérez de Acha @giselilla.bsky.social · 05/08/2025
Open source it for democracy! 💪🏼
030
Gisela Pérez de Acha @giselilla.bsky.social · 05/08/2025
👏🏼👏🏼👏🏼👏🏼
000
Gisela Pérez de Acha @giselilla.bsky.social · 29/07/2025
taquitos de canasta, my love
010
Gisela Pérez de Acha @giselilla.bsky.social · 09/07/2025
😮‍💨
000
Reposted by Gisela Pérez de Acha
Sergio olmos @sergioolmos.bsky.social · 08/07/2025
Masked men leaping out of unmarked vehicles. Latino men taken from their places of work or while waiting for the bus. Street vendors tackled to the ground and forcefully held down. We collected videos of just over 100 incidents. W/ @evidentmedia.org , @bellingcat.com youtu.be/6BuxaVdv7po?...
youtu.be
Masked, Armed, Forceful: Finding Patterns in California Immigration Raids
YouTube video by Evident Media
12423
Reposted by Gisela Pérez de Acha
EL PAÍS México @elpaismexico.bsky.social · 08/07/2025
⭕ Crónica | Se le revuelve el estómago. Una semana antes fue amenazado su hermano Una mujer tomó el teléfono del negocio y le llamó para exigirle un pago de 230.000 pesos. La amenaza incluyó la advertencia: “A los chapitos les urge para seguir”. 🔗 tinyurl.com/ye67mty6
032
Gisela Pérez de Acha @giselilla.bsky.social · 05/07/2025
How Syria’s Dictator Buried His Victims www.nytimes.com/interactive/...
nytimes.com
How the Assad Regime Buried Its Victims in a Mass Grave in Syria
A cemetery near Damascus was transformed into an industrial-scale mass grave for Syrians who opposed President Bashar al-Assad.
001
Gisela Pérez de Acha @giselilla.bsky.social · 05/07/2025
How Los Angeles Police Officers Broke Protocols and Injured Protesters www.nytimes.com/video/world/...
nytimes.com
Video: How Los Angeles Police Officers Broke Protocols and Injured Protesters
A Times analysis of videos and interviews with police, protesters and legal experts found that officers misused 40-mm sponge rounds at immigration-raid protests.
000
Gisela Pérez de Acha @giselilla.bsky.social · 03/07/2025
Worth a read!
000