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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

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Gisela Pérez de Acha @giselilla.bsky.social · 25/08/2026
Bárbara la Rosalía
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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!!!
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Gisela Pérez de Acha @giselilla.bsky.social · 28/06/2025
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Gisela Pérez de Acha @giselilla.bsky.social · 15/06/2025
pretty dried flowers
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Gisela Pérez de Acha @giselilla.bsky.social · 08/06/2025
Fried shrooms, pickled onion, spicy guacamole & cilantro 🥑 Mexiquito precioso de mi corazón 🌮
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Gisela Pérez de Acha @giselilla.bsky.social · 06/06/2025
Have LLMs Finally Mastered Geolocation? www.bellingcat.com/resources/ho... great series of tests by @foeke.bsky.social via @bellingcat.com
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Gisela Pérez de Acha @giselilla.bsky.social · 08/05/2025
Loved attending the #LoganSymposium this year! Thanks to @berkeleyjournalism.bsky.social for such a wonderful weekend 🫶🏼🗞️
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Gisela Pérez de Acha @giselilla.bsky.social · 27/03/2025
Me, doing OSINT all day. via @coreygjohnson.bsky.social
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Gisela Pérez de Acha @giselilla.bsky.social · 11/02/2025
New profile photo 📸
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Gisela Pérez de Acha @giselilla.bsky.social · 05/02/2025
🙈🫶🏼
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Gisela Pérez de Acha @giselilla.bsky.social · 31/01/2025
🌸
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Gisela Pérez de Acha @giselilla.bsky.social · 18/01/2025
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Gisela Pérez de Acha @giselilla.bsky.social · 24/12/2024
The cutest Santa flight tracking on @flightradar24.com 🎄❄️ Happy Holidays 🎁❤️
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Gisela Pérez de Acha @giselilla.bsky.social · 13/12/2024
Totally judging you
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Gisela Pérez de Acha @giselilla.bsky.social · 07/12/2024
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