Open-Source Investigations Unit
We document potential violations of international humanitarian law using open-source methods: visual verification, satellite and geographic analysis, timeline reconstruction, and field testimony — publishing our full methodology alongside every investigation.
Investigations
Our published open-source investigations documenting strikes on civilians, medical facilities, heritage sites, and residential neighborhoods — each with a full visual-verification methodology.
Browse investigationsOSINT Tools Database
A directory of 598 open-source intelligence tools across 54 categories — the same tools our investigations team uses for verification, geolocation, and research.
Explore the toolkitDigital Archiving
A partner-supported archiving operation documenting events and potential violations in North Africa and East Asia — 253,624 units processed and 903 satellite images collected.
View the archive operationHow We Verify
Satellite & geographic analysis
Timeline reconstruction
Visual & video verification
Field testimony