Captain Diane McCarthy, Director

 The Criminal Investigations Division (CID) is comprised of five sections responsible for investigating a wide range of property crimes and crimes against persons.

 District Investigative Sections

Five of our six district stations have fully operational investigative sections. Detectives conduct investigations of burglary, theft, missing persons, assaults, citizen robberies, minor sex offenses, blackmail, telephone misuse, hate crimes, and other criminal acts.

Financial Crimes Section

The Financial Crimes Section investigates crimes involving forgery/uttering, embezzlement, counterfeiting of checks/credit cards, financial exploitation of the elderly, and identity theft. The Electronic Computer Crime Unit (Computer Crime Unit), which is housed within the Financial Crimes Section, is responsible for computer forensics and conducting investigations involving computers, cell phones, and digital devices used as tools in a crime. Main Office Number – 240-773-6330

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Career Criminal Section

The Career Criminal Section encompasses the Firearms Investigations Unit and the Pawn Unit. Main Office Number – 240-773-6400

Central Auto Theft Section

The objective of the Central Auto Theft Section (CATS) is to reduce vehicle thefts in the County through investigation, enforcement, and theft prevention education. Main Office Number – 240-773-6370

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Crime Laboratory

The Crime Laboratory consists of the Forensic Biology Unit (DNA), the Forensic Chemistry Unit, the Crime Scene Unit (FSS), the Firearms Examination Unit, the Latent Print Unit (RAFIS), and the Photography Unit.  The Crime Laboratory, including the Electronic Crimes Unit in the Financial Crimes Section, underwent an external American Society of Crime Lab Directors – Lab Accreditation Board (ASCLD-LAB) accreditation inspection in November 2011.  ISO accreditation is pending and expected in early summer 2012. Main Office Number – 240-773-5135