Investigations Bureau


Investigations Bureau personnel conduct follow up on most felony crimes and present cases to the Contra Costa County District Attorney’s Office for the filing of charges. Cases assigned include; sexual assaults, domestic violence, stalking, aggravated assaults, homicide, robbery, burglary, auto theft, identity theft, and missing persons. Additionally, the School Resource Officer and the Community Resource Officer are assigned to the Division. 

The Investigations Bureau is also responsible for the youthful offender diversion program, sexual offender and monitoring program, narcotic offender registration, and the issuing of permits for massage therapy, business and residential alarms, concealed weapons, firearm sales, taxi services, and door to door sales. 

The Investigations Bureau can be reached at (925) 288-4630 or email.

Investigations Bureau Assignments

Personnel Assignment Contact
Lieutenant            David Nichols               Division Commander Email 
Sergeant Ron Priebe Investigations Supervisor - Terrorism Liaison, Felony DUI,
Coroner Follow-up, Missing Persons, DUI Warrants, asset forfeiture,
case coordination, informational briefings & training for Investigators.
Email / Phone: (925) 288-4634                                                 
Admin Assistant Courtney Lee  Alarm registration, Volunteer Program,
general office & clerical assistance 
Email / Phone: (925) 288-4632
Detective            James Woehrman Auto Theft, Auto Burglary, Retail Theft, Narcotics Cases, 11590/gang registrations, Crime prevention/theft suppression planning & operations.       
Email / Phone: (925) 288-4635
Detective          Chelsea Wright Robbery, Felony Assault, Domestic Violence, Sex Assaults, Child Abuse, Arson, 290 Registrations, Domestic Violence, Cold Cases. Email / Phone: (925) 288-4637
Detective Greg Perkiss Case followup Email / Phone: (925) 288-4636
Detective              David Garcia Residential and Business Burglaries, Identity Theft, Financial Crimes,
Elder Abuse, Massage Permits
Email / Phone: (925) 288-4638
Community Resource Officer Justin Espinoza CORE/ Homeless Outreach Liaison, Community Liaison for
issues relating to quality of life and crime trends
Email / Phone: (925) 288-4631

School Resource Officer Brett Botelho Agency liaison for College Park High School Email / Phone: (925) 288-4688