Investigator I

Oroville, CA
Butte County District Attorney's Office

Under close supervision, investigates and resolves assigned cases, coordinates with prosecuting attorneys to prepare cases for trial, and enforces state laws.

$58,572.80 – $78,499.20 Annually

4/24/2020 5:00 PM Pacific


• Conducts criminal and civil investigations and follow-up work on assigned cases; investigates crimes and public complaints.
• Conducts all investigations required to prepare criminal and civil cases for trial, and prove allegations beyond a reasonable doubt; assists prosecutors with development of trial tactics and defense rebuttal evidence.
• Prepares criminal and civil cases and testifies before the Grand Jury and at court proceedings; works with attorneys to prepare investigative information to support charges and trial strategy; prepares evidence for court proceedings.
• Performs other investigative research as directed to prepare the case for trial; suggests probable defense strategies and prepares rebuttal evidence; documents case files and related reports.
• Conducts investigations by interviewing witnesses, victims, family members and others; assures witnesses are protected as needed, and present in court as required.
• Prepares probable cause affidavits and criminal complaints; procures arrest and search warrants; serves warrants and makes arrests as authorized.
• Responds to crime scenes as directed; processes crime scene and analyzes evidence; identifies and collects evidence; performs surveillance duties as required; completes detailed reports; performs follow-up investigations as assigned.
• Enforces local, state and federal laws.


• Minimum of (30) semester units/ (45) quarter units earned for course work completed through a college or university accredited by an accrediting body recognized by the U.S. Department of Education or from an institution authorized to award degrees pursuant to Section 94900 of the California Education Code.
• Five (5) years of full-time law enforcement experience gained during employment as a peace officer.
• Possession of a valid and current Basic Certificate awarded by the California Commission on Peace Officers Standards and Training, or a current Basic POST waiver issued by the California Commission on Peace Officer Standards and Training. Individuals with expired certificates may apply, but must possess a valid certificate prior to appointment.
• Must possess a valid State of California driver's license, and successfully pass a background investigation, fingerprinting, criminal and other relevant records checks.