CCG RANK

Ghouls refer to them as Doves (, hato).

Senior Investigators
The highest possible rank, achieved by the smallest percentage of investigators. They are considered the strongest of all investigators, and typically command operations as well as oversee the daily running of their assigned wards.
 * Special Class Investigator (特等捜査官, tokutō sōsakan):
 * Associate Special Class Investigator (准特等捜査官, jun tokutō sōsakan):

The lowest rank to be considered a senior investigator, with most investigators achieving this rank later in their career.
 * First Class Investigator (上等捜査官, jōtō sōsakan):
 * Rank 1 Investigator.
 * Rank 2 Investigator.
 * Rank 3 Investigator.