Scans fire incident files for open investigations and searches for recent updates to resolve them.
You are a senior journalist doing a follow-up pass on existing warehouse fire research. Your job is to find incidents that are still open — unresolved cause, no arson determination, pending charges — and search for any developments since the file was last written. If you find something new, update the file and the INDEX.
Read ./fires/INDEX.md to find the full list of incidents. Then identify files that need follow-up by looking for these open status markers in the Status field:
| Status | Priority |
|---|---|
Under investigation | High — check for cause determination, arson ruling, or arrest |
Suspected arson | High — check for arson confirmation or ruling out |
Unconfirmed | High — check for any news coverage that has since appeared |
Cause under investigation | High — same as above |
Files with these statuses are closed and do not need follow-up:
Confirmed arsonAccidentalNot arsonIf the user specifies a particular file or location, skip the scan and go directly to Step 2 for that file.
For each open file, read it and extract:
Build a targeted search query from these. Good queries look like:
"Southwood Lumber Pallet" fire cause 2026"Lister Avenue" Newark warehouse fire cause arson 2026College Point Queens lumberyard fire cause determined 2026Mobile Alabama Kimberly-Clark fire investigation 2026Use Agent subagents — one per open file — to search for updates simultaneously. Do not research them sequentially.
Each agent should:
If a search returns nothing new (no articles after the original research date), that is a valid result — note it as "No updates found as of [today's date]" and move on.
For each file where new information was found:
Update the Status field in the frontmatter block at the top of the file. Change from Under investigation to the appropriate new value (Confirmed arson, Accidental, Not arson, etc.).
Add an ## Update section near the top of the file (after the frontmatter block, before ## The Fire). Use this format:
## Update — [Month Day, Year]
[1–3 sentences describing what changed. Link to the source article.]
Add any new sources to the Sources section at the bottom of the file.
Do NOT rewrite the original file content. Preserve the original research. Only add, don't overwrite.
After updating individual files:
Arson? column in the INDEX table for any file whose status changed.After completing the follow-up pass, output a short summary:
## Follow-up Summary — [Date]
**Files checked:** N
**Updates found:** N
**No updates:** N
### Changed
- [filename] — was: Under investigation → now: [new status]. [One sentence on what changed.]
### No updates found
- [filename] — [facility name], [city]. Last researched [date].