The ~ is the branch of the police force in Britain concerned with finding out who has committed crimes. ~ is an abbreviation for ‘Criminal Investigation Department’.
N-PROPER: oft the N
CID
Meaning of CID in English
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012