In less than five minutes, about four police officers and several men in plain clothes came running to the scene.
The Mukhabarat had appeared, in plain clothes, from nowhere.
White vans and scores of men in plain clothes pop up from nowhere.
"Never mind, bring him along with the others," a man in plain clothes said in tones of authority.
Behind him came Cassidy and two other detectives in plain clothes.
Persons in plain clothes have acted as advanced scouts to the German cavalry when advancing.
On one of these nights the Captain of the Precinct was present in plain clothes.
There is a plain clothes policeman keeping guard over them now—your diamonds are amongst the lot.
Another agent of police, in plain clothes, entered and saluted.
He was in plain clothes; the first time since her childhood that she had ever seen him out of uniform.
"ordinary dress" (as opposed to military uniform), 1822; of police detectives, it is attested from 1842. Also plainclothes.