Code Four Flash
A mobile field capture app for notes, photos, live translation, and AI‑assisted report review.


Startup · United States
HQ San Francisco1-10 employees
AI police report writing and investigation software for law enforcement. Draft source-linked reports, search digital evidence, and surface case intelligence.
A mobile field capture app for notes, photos, live translation, and AI‑assisted report review.
AI investigation software for police departments that fuses digital evidence, records, and case files into actionable leads.
AI redaction software that detects and permanently removes faces, license plates, screens, spoken identifiers, and document PII from evidence.
Newest unveiled first. Open a system for its milestone timeline, components and sources.
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Information management and cybersecurity | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: AI report writing and digital-evidence software sold to law enforcement, a security-agency customer. | Reported |
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
| Person | Role |
|---|---|
| Dylan Nguyen | Co-founder |
| George Cheng | Co-founder |
Code Four · Supports Organization · description, Organization · name, Organization · website
“AI police report writing and investigation software for law enforcement. Draft source-linked reports, search digital evidence, and surface case intelligence.”
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "f630bcba-25a5-441e-b205-9b37ef720ca2"}”
Octen Business Search · Supports Organization · employee range, Organization · hq city, Organization · linkedin url
“employee_range: 1-10 (profile: 1-10 employees)”
Code Four · Supports System
“Code Four INSIGHTS is AI investigation software for police departments, fusing digital evidence, RMS and JMS records, body-camera footage, phone dumps, call logs, recorded audio, and case files into leads investigators can act on”
Code Four · Supports System
“Code Four Redact finds the faces, plates, screens, spoken identifiers, and document PII in your evidence, shows a reviewer exactly what it plans to cover, and only then burns the redaction in permanently.”
Code Four · Supports System
“Code Four Flash lets officers capture field notes, photos, and live-translated context, review footage and report drafts from the squad car, and keep every detail connected to the report — all from a mobile app”
statescoop.com · Supports Role
“Code Four was co-founded by George Cheng and Dylan Nguyen, who both dropped out of the Massachusetts Institute of Technology to run the company last year.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.