Major Investigations, Special Ops & Advanced Training offered by King County Sheriff's Office's Criminal Investigations Division

Major Crimes Unit investigates:  

• Deaths and felony assault cases (including domestic violence)
• Robbery
• Digital forensics
• Kidnapping
• Unlawful imprisonment

Responds to all child death cases within jurisdiction, including suspected Sudden Infant Death Syndrome (SIDS); this is mandated by law.   Special Assault Unit:

• Investigates sexual assaults and neglect or abuse cases.

It also monitors individuals on the state-wide sex offender registry. Major Accident Response and Reconstruction Unit:  

• Investigates fatality and serious injury accidents; also assists at major crime scenes.

Polygraph Unit:  

• Provides polygraph support for criminal investigations and pre-employment screening.

Fire/Arson Investigation Unit:  

• Conducts comprehensive fire investigations to determine origin and cause of fires; performs criminal investigation of those fires determined to be arson.

Criminal Intelligence:  

• Gathers and shares intelligence products and maintains liaison with state and local law enforcement officers.
• Collects, evaluates, and analyzes incident reports of suspicious activities reported by the public and law enforcement communities in an effort to identify potential trends or patterns of terrorist operations.

Criminal Warrants Unit:  

• Handles criminal and material witness warrants issued out of King County courts, performs extradition and transports prisoners between jurisdictions.

Special Support Enforcement Unit:

• Enforces court-ordered child support.

Civil Unit:

• Serves legal documents throughout the county, conducts evictions, and enforces orders of the court.

AFIS Section:

• Promotes public safety and contributes to crime reduction by providing fingerprint identification to criminal justice agencies throughout King County.