Investigations Unit


The District Attorney’s (DA) Investigation’s Unit includes:

  • Chief Investigator
  • Supervising Investigator
  • Ten DA Investigators (sworn law enforcement officers)
  • Two Investigative Technicians


The unit receives over 2,000 requests from prosecutors annually for follow-up on criminal cases submitted by local law enforcement agencies. The unit also conducts original investigations in complex areas of law such as consumer, environmental, child abduction, insurance fraud, and public integrity cases. In addition, the Investigations Unit provides 24/7 support to local law enforcement when any major crime occurs within Napa County. Staff participates in major crime investigations an average of 12 times each year. The Investigations Unit also provides criminal investigative training to local agencies and community presentations throughout the year, in areas such as:

  • Child Abduction
  • Consumer Fraud
  • Driving Under the Influence (DUI) Awareness
  • Elder Abuse
  • Financial Fraud
  • Gang Prevention
  • Insurance Fraud

Bureau of Investigations

The link below will take you to the most current Napa County District Attorney’s Bureau of Investigations policy manual.  The policy manual and related data is being provided to the public in accordance with the California Public Records Act. 

The District Attorney’s Office makes no representation concerning, and does not take any responsibility for, the accuracy or timeliness of the information posted on this site or the continued maintenance of this site.  It is provided on an “as is,” “as available” basis without warranties of any kind.  The District Attorney’s Office does not have the staff to assist in the interpretation of the data.  The information posted on this site is subject to change and correction as determined by California Law, Federal Law, directives of the California Commission of Police Officer Standards and Training, or the Napa County District Attorney’s Office. Updates to the Bureau of Investigations policy manual will generally occur annually but may be updated more often.

Napa County and the District Attorney’s Office assume no liability for damages incurred directly or indirectly as a result of error, omissions or discrepancies in this information.