What are the civilian or plain clothes called worn by police or military staff for their jobs?
Mufti (dress) Mufti (dress) Mufti, or civies/civvies (slang for "civilian attire"), refers to plain or ordinary clothes, especially when worn by one who normally wears, or has long worn, a military or other uniform The word originates from the Arabic: Mufti (مفتي) meaning an Islamic scholar. It has been used by the British Army since 1816 and is thought to derive from the vaguely Eastern style dressing gowns and tasselled caps worn by off-duty officers in the early 19th century. Yule and Burnell's "Hobson-Jobson: A Glossary of Colloquial Anglo-Indian Words and Phrases, and of Kindred Terms, Etymological, Historical, Geographical and Discursive" (1886)
Military police of the United Kingdom RAFP. Each of the service police branches has its own Special Investigation Branch to undertake investigation of more serious crime and plain-clothes investigations. The British Military Correctional Training Centre (MCTC) at Colchester is operated by the Military Provost Staff Corps, an all-senior NCO corps which only recruits from serving personnel. The staff of the Military Provost Staff Corps are known as provosts and fulfil a similar role to prison officers. In addition to being policed by the Royal Military Police, the British Army has Regimental Provosts, who are members of individual regiments or corps with responsibility for discipline only within