---
category: U.S. Government
summary: The Criminal Investigation Division (CID) is the investigative branch responsible
  for serious crimes within military and police jurisdictions, whose Army division
  is connected in this vault to figures in the Octopus network including Roderick
  Sinclair Jr.
tags:
- Organization
- LawEnforcement
- Military
---

The [CID](/organizations/criminal-investigation-division/) typically refers to the Criminal Investigation Division or Department within military or police forces. It is responsible for investigating felony crimes and other serious offenses within its jurisdiction.[^1]

[Roderick Sinclair](/people/roderick-sinclair/), Jr. reportedly worked in the Army C.I.D. in a non-military or civilian capacity. He allegedly received training at Fort Liggett in San Luis Obispo, which is described as a training center for military intelligence operations.[^1]

---

[^1]: Seymour, Cheri. *The Last Circle: Danny Casolaro’s Investigation into the Octopus and the PROMIS Software Scandal*. First Edition. TrineDay, 2010.