• United States Army Criminal Investigation Division, now the United States Army Criminal Investigation Command
• IRS Criminal Investigation Division
  IRS Criminal Investigation Division
  Internal Revenue Service, Criminal Investigation investigates potential criminal violations of the U.S. Internal Revenue Code and related financial crimes in a manner intended to foster confidence in the tax system and compliance with the law...
  
  

See also

• United States Marine Corps Criminal Investigation Division
  United States Marine Corps Criminal Investigation Division
  United States Marine Corps Criminal Investigation Division is a federal law enforcement agency that investigates crimes against persons and property within the United States Marine Corps. CID agents operate under the Provost Marshal's Office...
  
  
• Criminal Investigation Department
  Criminal Investigation Department
  The Crime Investigation Department is the branch of all Territorial police forces within the British Police and many other Commonwealth police forces, to which plain clothes detectives belong. It is thus distinct from the Uniformed Branch and the Special Branch.The Metropolitan Police Service CID,...
  
  
• CID (disambiguation)