 The mission of the PPD Criminal Investigation and Internal Affairs Division (CI/IAD) is to investigate criminal acts occurring within the Pentagon and certain other designated DoD buildings, both U.S. Government owned and leased located within the National Capital Region (NCR).The CI/IAD is the investigative arm of the PPD and as such, is responsible to respond to and investigate mainly felony offenses committed in the mentioned area of responsibility.PPD CI/IA has three distinct investigative missions