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Special Investigation Branch

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Title: Special Investigation Branch  
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Special Investigation Branch

The Special Investigation Branch (SIB) is the name given to the detective branches of all three British military police arms: the Royal Navy Police, Royal Military Police and Royal Air Force Police. It is most closely associated with the Royal Military Police, which has the largest SIB. SIB members usually operate in plain clothes, although they may wear uniform when serving overseas. Members are usually senior non-commissioned officers (sergeants or petty officers or above) or commissioned officers, although the Royal Air Force SIB also employs corporals.


  • Royal Military Police SIB 1
  • Royal Air Force Police SIB 2
  • Footnotes 3
  • See also 4
  • External links 5

Royal Military Police SIB

Although an SIB appears to have existed in the Great Train Robbery) and command was given to Detective Superintendent Clarence Campion, head of Scotland Yard's Criminal Record Office, who was commissioned as a Major. Campion was hit in the head by shrapnel during the Dunkirk evacuation and died on 20 May 1940, the only SIB casualty of the BEF. After this beginning, the SIB was established on a full-time basis. One of the first group of detectives, Frank Elliott, was sent out to Cairo, Egypt. Under the supervision of Colonel Claude Harper, Elliott managed a 500 man force which investigated crime in Egypt, Palestine and later Libya.[2]

The RMP SIB now consists of about three hundred personnel, including Scenes of Crime Officers and forensic technicians. It is divided into numbered units called Investigation Platoons (for instance, 33 Inv Pl SIB Regt), which are subdivided into Detachments, each usually commanded by a Warrant Officer Class 2. There is a section or detachment on most major British Army stations. There is also a Territorial Army section, made up entirely of people who are CID officers in civilian police forces during their everyday lives. The Headquarters SIB Regiment is at Campion Lines in Bulford, Wiltshire. Within the RMP, SIB is known as "the Branch" or more commonly "the Feds"

The SIB was recently subject to an inspection by Her Majesty's Inspectorate of Constabulary (HMIC). The Armed Forces Bill 2006 seeks to require the SIB to refer investigations into inherently serious crimes directly to the Service Prosecuting Authority (SPA) rather than to commanding officers.[3][4]

SIB recruit class 1 and 2 Cpl's from the General Police Duties employment group of Royal Military Police, and each candidate undergoes 12 months Foundation Training to determine suitability. During training, an extensive testing phase is completed utilizing the Distance Learning Package (DLP), coupled with a series of exams including the infamous entrance exam. Students who successfully pass the entrance exam are eligible for further training on the Serious Crime Investigation Course (SCIC), which consists of a more in depth look into serious crime. On successfully completion of the course, candidate are placed onto a merit board awaiting full-time employment as an SIB Investigator.

Royal Air Force Police SIB

The Royal Air Force Police Special Investigations Branch, formed in 1918, has the distinction of being the only branch-specific investigative unit entrusted with a major war crime when five officers and fourteen NCOs were given the assignment of investigating the Stalag Luft III murders immediately following the Second World War.[5]


  1. ^ Phillips, Norman (1954) Guns, Drugs and Deserters: The Special Investigation Branch in the Middle East. London, Werner Laurie pp19-22
  2. ^ Phillips, Norman (1954) Guns, Drugs and Deserters: The Special Investigation Branch in the Middle East. London, Werner Laurie pp23-24
  3. ^ HMIC Inspection of Royal Military Police - Special Investigations Branch
  4. ^ "HMIC Royal Military Police Special Investigation Branch inspection" (PDF).  
  5. ^ Andrews, Allen (1976). Exemplary Justice. London: Harrap. p. 261.   "The Stalag Luft III case was the only major war crime ever entrusted to a separate arm of the Service, undiluted with 'specialists' from other Services."

See also

External links

  • Royal Military Police Association (SIB Branch)
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