CI. noun [ C ] mainly US. abbreviation for confidential informant: a person who secretly gives information to the police about criminal activity: She worked for years as an active CI, and still called occasionally with tips on various cases.

What is CI in school?

Curriculum and Instruction (CI)

What does CI stand for in white collar?

According to the Confidential Informant Guidelines, a confidential informant or "CI" is "any individual who provides useful and credible information to a Justice Law Enforcement Agency (JLEA) regarding felonious criminal activities and from whom the JLEA expects or intends to obtain additional useful and credible ...