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Major Crimes Unit

Agent in Charge: Greg Sadar, Major Crimes Unit; Denver Office

Agent In Charge: Kirby Lewis, Off-Site Investigations, Denver Office

Phone Number: (303) 239-4211


The CBI provides criminal investigative support to Law Enforcement agencies within the state of Colorado. The Colorado Revised Statutes (CRS) enables the CBI to prevent, detect and investigate criminal activity throughout the state, at the request of local law enforcement agencies, other state agencies, or by order of the office of the Governor.

CBI Regional Map


The Denver Major Crimes Unit offers investigative assistance in the following areas for the communities of North Eastern Colorado. Please select the appropriate link listed below for details.

General Investigative Assistance:

The Major Crimes Unit provides a full range of criminal investigative assistance, to include; homicide, arson, sexual assault, burglary, theft, critical incidents and public corruption. The CBI assists local agencies in any of these functions at their request. The CBI can respond only at the specific request of a police department, sheriff's office and the district attorney's office. Additionally, the CBI performs investigations of suspected criminal activity when directed by the Governor and has the statutory authority to initiate investigations of organized crime that transcends local jurisdictional boundaries and fugitives.

Specialized Investigative Activity:


Certified Fraud Examiners pdf file

Crime Computer pdf file

Polygraph pdf file

Analytical Intelligence Support:

Amber and Endangered Alert Programs

Missing Persons Children and Adults

Cold Case Investigation

RMHITDA/Drug Task force

Unregistered Sex Offenders/Fugitives pdf file