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Code Four

YC X25

San Francisco, US · Founded 2025 · 3 employees · Hiring · 3 known investors

Code Four develops AI-powered investigation software for police departments that automates evidence processing and fuses data from body-worn cameras, records management systems, phone dumps, recorded audio, and case files. The platform extracts entities, builds timelines, and generates investigative documents to accelerate criminal inquiries.

Founders & leadership· Y Combinator alumni (X25)

Code Four was founded in 2025 by George Cheng and Dylan Nguyen.

GCGeorge Cheng
George Chengin𝕏FounderGeorge Cheng studied artificial intelligence, computer science, and brain & cognitive science at MIT.
DNDylan Nguyen
Dylan Nguyenin𝕏Co-FounderDylan Nguyen studied applied mathematics and computer science at MIT and is building law enforcement technology.

Investors · 3

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Frequently asked questions

What does Code Four do?
Code Four develops AI-powered investigation software for police departments that automates evidence processing and fuses data from body-worn cameras, records management systems, phone dumps, recorded audio, and case files. The platform extracts entities, builds timelines, and generates investigative documents to accelerate criminal inquiries.
Who founded Code Four?
Code Four was founded by George Cheng, Dylan Nguyen in 2025.
Who are Code Four's investors?
Code Four's investors include Webb Investment Network, Y Combinator, AME Cloud Ventures.
Where is Code Four headquartered?
Code Four is headquartered in San Francisco, US.