society > law > law enforcement > investigation of crime > [noun] > police employed for > specific (5)
The French police department of criminal investigation. Also in extended use with reference to similar forces elsewhere.
In Mexico: (originally) the national army; (now usually) a federal law enforcement agency; the members of such an agency collectively. Also in…
Criminal Investigation Department.
Federal Bureau of Investigation (U.S.).
colloquial (originally and chiefly U.S.). With the. Usually with capital initial. The Federal Bureau of Investigation, the FBI. Cf. agency, n. 3.