LAST KNOWN+ / private research command center
Stop losing the case in tabs, screenshots, and notes.
Keep the public record free—and build your own private working case file around it. LAST KNOWN+ lets you save the claims and source records that matter, annotate what needs verification, group evidence trails into research threads, track unanswered questions and next actions, and come back without rebuilding the investigation from scratch.
Available with LAST KNOWN+ now
A working case file—not another bookmark folder.
The Private Research Workbench is the member command center. Save published claims and source records into your own stack, mark what is key or still needs verification, attach private notes, build focused research threads, maintain open questions and next actions, and copy a structured research brief when you need to move the work elsewhere.
Source Lineage
Know whether five articles are actually one source repeated five times.
Source Lineage separates original-source material, independent corroboration, derivative repetition, contradictory citations, and exact record locations. It helps you inspect what a published claim rests on without turning repetition into corroboration or assigning credibility or guilt scores.
Planned additions — not included in today's paid entitlement: broader cross-case comparison, alerts, collaboration, and enhanced AI-assisted research remain roadmap items rather than features being sold as available today.
Paid access is for research capability, not hidden case facts. The public Case Desk and the public Record Vault, factual claims, provenance needed to understand those claims, corrections, and official tip routing remain public. Membership will not sell guilt scores, suspect rankings, guilt probabilities, exclusive accusations, or sensational premium case material.
Build your private case file
Choose LAST KNOWN+ access.
Current plan prices are loaded directly from Stripe rather than hard-coded into the site. No automatic free trial is attached to these plans.
Sign in to your research workspace
Your account keeps private research and membership access tied to you while remaining separate from the public case record.