Military Wiki
United States Marine Corps Criminal Investigation Division
Abbreviation USMC CID
USMC CID badge.jpg
Badge design of the United States Marine Corps Criminal Investigation Division
Agency overview
Employees Approx. 220
Legal personality Governmental: Government agency
Jurisdictional structure
Federal agency United States
General nature
  • Federal law enforcement
  • Military provost
Operational structure
Special Agents 220 (approx)
Parent agency United States Marine Corps

United States Marine Corps Criminal Investigation Division (USMC CID) is a federal law enforcement agency that investigates crimes against persons and property within the United States Marine Corps. CID agents operate under the Provost Marshal's Office or the Marine Corps Police Department Chief of Police. Those major crimes not under the jurisdiction of CID are referred to the Naval Criminal Investigative Service (NCIS) according to a memorandum of understanding signed in 1999.

Selection and training

CID Agent candidates must be currently serving as an enlisted active duty Marine between the grades of E-5 through E-9 or WO1 to CWO5. Civilian CID Agents must be employed in the government schedule (GS) 1811 series as a criminal investigator. All CID Agents must be able to obtain and maintain a Top Secret security clearance. Marine candidates must possess a GT score of 110 or higher, have normal color vision. Both Marine and civilian agents must meet Marine Corps physical fitness standards. Prospective Marine Corps CID agents are sent to the U.S. Army Military Police Schools (USAMPS) to attend the U.S. Army CID Special Agent Course (CIDSAC) at Fort Leonard Wood, MO, and must complete six months on-the-job training. Civilian CID agents either attend CIDSAC, or the Criminal Investigative Training Program (CITP) at the Federal Law Enforcement Training Center (FLETC) at Glynco, GA. Marine Corps CID agents may later return to USAMPS or FLETC to attend advanced or specialized training as may be directed.


CID is responsible for:[1]

  • Complex misdemeanor and felony investigations not under the jurisdiction of NCIS.
  • Investigation of narcotics cases not assumed by NCIS.
  • Liaison with federal, state, and local law enforcement agencies.
  • Assist the U.S. Attorney's Office, local District Attorney's Office, and the Staff Judge Advocate Office for prosecution of criminal cases.
  • Maintaining the Provost Marshals Office evidence repository.
  • Maintain a Criminal Intelligence component.
  • Conduct internal personnel inquiries
  • Protective Service Details
  • Liaison with Family Assistance Program concerning the law enforcement aspects of domestic violence issues.


Criminal investigators typically dress in professional business attire. Due to the nature of their work, undercover assignments and field work will typically dictate their attire. While deployed Marine CID Agents will be dressed in appropriate Marine Corps Combat Utilities (desert or woodland). However, CID Agents assigned to NCIS will be dressed in appropriate civilian attire.


CID Agents are issued the standard 9x19mm Beretta M9 pistol.

See also

  • List of United States federal law enforcement agencies
  • Diplomatic Security Service (DSS) - U.S. State Department

JAG Corps




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