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, Massage Establishment permit delegation, Felony DUI, Coroner Follow-up
Admin Assistant Courtney Lee  Alarm registration, Volunteer Program, general office & clerical assistance  Email 
Detective James Woehrman Auto Theft, Auto Burglary, Retail Theft, Crime Intel Reports
Detective Chelsea Wright Robbery, Felony Assault, Arson, Terrorist Threats, Domestic Violence, Cold Cases. Email
Detective Greg Perkiss Sexual Assaults, Child/ Elder Abuse, Missing Persons, PC 290 & 11590 Registrations Email
Detective David Garcia Residential and Business Burglaries, Identity Theft, Financial Crimes  Email
Community Resource Officer Justin Espinoza CORE/ Homeless Outreach Liaison, Community Liaison for issues relating to quality of life and crime trends


School Resource Officer Brett Botelho Agency liaison for College Park High School Email