Office of Fire Investigation | (CFD) #33103873
Description
Chicago Fire Department Office of Fire Investigation ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ OFI reports annually on fire related incidents under five (5) general classifications: incendiary fires, accidental fires, undetermined fires, special investigations and no services. OFI staff is specially trained firefighters who utilize the most up-to-date techniques in fire investigation, in conjunction with local and federal law enforcement agencies. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ To become a Fire Investigator you must hold the rank of Lieutenant and apply when quarterly applications open. If you are accepted you must complete Fire Investigation School, as well as complete the Chicago Police Department courses of Law, Ethics, Control Tactics, and Firearms Training.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 21 Aug 2026, 12:01 | 3 | first reading |
Ownership
Owned by user #1918884190 as measured.
Members we’ve seen
Dom (@Captain_Dominick) — 1st Deputy Fire Commissioner (rank 254)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.