Placer County

Evidence Technician - Supervising (#16405)

$30.27-$37.81 Hourly / $5,246.80-$6,553.73 Monthly / $62,961.60-$78,644.80 Yearly


To plan, organize, direct, and supervise the collection, maintenance, and preservation of evidence; in a non-sworn capacity, to perform field and laboratory photographic and technical evidence work; to maintain criminal identification records and evidence as part of the investigation and prosecution work of the Sheriff's Office; and to provide administrative support to management staff.


The Supervisor level recognizes positions that perform full, first-line supervisory responsibilities including planning, assigning, and evaluating the work of subordinates and is responsible for a program area within a work unit or department.


Receives general direction from management staff or sworn administration personnel of the Sheriff's Office.

Exercises direct supervision over assigned Evidence Technician I/II staff.


Duties may include, but are not limited to, the following:
  • Recommend and assist in the implementation of unit goals and objectives; establish schedules and methods for the Evidence Unit; draft for approval and implement policies and procedures.
  • Plan, prioritize, assign, supervise, and review the work of staff involved in the Evidence Unit.
  • Evaluate operations and activities of assigned responsibilities; recommend improvements and modifications; and prepare various reports on operations and activities.
  • Supervise field forensic work under the direction of sworn staff; search for and collect physical evidence; photograph and video record crime scenes; make diagrams and log items collected from each location; process and send out blood and urine samples to be analyzed; conduct specialized tasks in photography, latent fingerprint development, and other evidence collection as required.
  • Participate in budget preparation and administration; prepare cost estimates for budget recommendations; submit justifications for staff, materials, and supplies as needed; monitor and control expenditures. Supervise the preparation, identification, analysis, and maintenance of assigned evidence and found property.
  • Participate in the selection of staff; provide and coordinate staff training; recommend discipline.
  • Identify and preserve evidence; make evidence available for viewing and courtroom presentations; book property into and out of evidence to preserve the chain of evidence; maintain evidence rooms and storage areas in an organized and orderly fashion; maintain detailed filing systems and records on all booked property; destroy and release property; inventory monies and narcotics; generate reports and assist other members of the Sheriff's Office with investigations as required.
  • Classify and identify fingerprints; assist in identification matters with Federal, State, and local authorities; prepare fingerprint displays for court; compare latent fingerprints to known and unknown suspects and victims; maintain and use files and computer systems to identify suspects; maintain and operate equipment for processing of fingerprints.
  • Take official and personnel photographs for the purpose of identification and evidence; take photographs relating to evidence in support of criminal investigations in the field, at autopsies and in-house; enlarge crime scene photographs to be utilized as courtroom exhibits; maintain files of photographs.
  • Cooperate and work closely with other law enforcement agencies in identification matters as required.
  • Build and maintain positive working relationships with co-workers, other County employees, and the public using principles of good customer service.
  • Instruct and assist officers in the proper use of photographic and fingerprint equipment.
  • Prepare various written reports as necessary.
  • Provide testimony in court as directed.
  • Provide adequate staff coverage/availability outside of normal business hours, as needed.
  • Perform related duties as assigned.


Work is performed in both an indoor office environment with controlled temperature conditions and in the field requiring travel to various locations throughout the County in a variety of outdoor weather conditions. Incumbents are exposed to a variety of environmental factors related to the collection of evidence and field forensic work.


Experience and Training
Any combination of experience and training that would provide the required knowledge and abilities is qualifying.  A typical way to obtain the required knowledge and abilities would be:

Experience: Five (5) years of increasingly responsible evidence collection experience with at least three (3) years of experience performing duties similar to an Evidence Technician II with Placer County.

Training: Equivalent to the completion of the twelfth grade.

Required License or Certificate:

  • Must successfully complete the Property Management course within twelve (12) months of hire.
  • Must have satisfactorily completed Basic and Advanced Field Evidence Technician course. 
  • Must have satisfactorily completed the Latent Print Comparisons course.
  • Must have satisfactorily completed the Latent Print Techniques course.
  • May need to possess a valid driver’s license as required by the position. Proof of adequate vehicle insurance and medical clearance may also be required.


Knowledge of:

  • Principles and practices of evidence collection, analysis, and management, in addition to advanced criminal identification techniques emphasizing photography and fingerprinting.
  • Principles of supervision, training, and performance evaluations.
  • Principles and practices of leadership, motivation, team building, and conflict resolution.
  • Modern methods, practices, and techniques of law enforcement work including knowledge of criminal investigation and crime scene analysis.
  • Use of various electronic video equipment.
  • Standard fingerprint classification methods, practices, records, and equipment.
  • Photography and printing digital photographs.
  • Mandates governing safety standards of handling, storage, and disposal of hazardous and carcinogenic materials.
  • Principles and practices of work safety, including the handling of urine and blood samples.
  • Law enforcement report preparation.
  • Principles of budget monitoring.

Ability to:

  • On a continuous basis, know and understand all aspects of the job; intermittently analyze work papers, reports, and special projects; analyze crime scenes; develop evidence to be processed; understand and recall the principles of evidence collection and analysis; identify, interpret, explain, and enforce evidentiary and other law enforcement procedures; observe while in the field; review and interpret case reports; focus on a single task for long periods of time; work with frequent interruptions; work under time pressure and complete a high volume of tasks; maintain awareness of safety at all times.
  • On an intermittent basis sit at a desk or in a vehicle for extended periods of time; push, pull, grasp, bend, twist, squat, stoop, kneel, reach, climb, crouch, and crawl to access office and field work equipment and to perform field duties; see and hear with sufficient acuity to perform essential job functions; use telephone, write, and use a keyboard to communicate; occasionally lift heavy weight.
  • Organize, implement, and direct the Evidence Unit operations and activities.
  • Supervise, train, and evaluate assigned staff.
  • Perform a variety of evidentiary collection methods and analyses, emphasizing photography and fingerprinting, including the performance of latent fingerprint comparisons and analysis; printing and enlarging photographs for courtroom presentation; and more sophisticated field forensics.
  • Adapt, understand, and apply emerging technologies with evidence collection and analysis.
  • Operate equipment and materials used in photographic and fingerprint work and take photographs. 
  • Develop and recommend policies and procedures related to assigned operation.
  • Prepare clear and concise reports.
  • Lift latent fingerprints and classify fingerprints accurately.
  • Interpret and apply a variety of regulations and procedures dealing with criminal investigations.
  • Maintain detailed records relating to evidence.
  • Prepare and monitor a routine budget.
  • Work with various cultural and ethnic groups in a tactful and effective manner.
  • Establish and maintain effective working relationships with those contacted in the course of work.
  • Work odd or unusual hours, including nights, weekends, holidays, and/or overtime.
  • Work in close proximity to human remains in various stages of decomposition, which may include odors, biological/chemical agents, and communicable disease.
  • Perform job duties effectively under pressure.


Length of Probation:
  • All permanent appointments from open eligible lists to positions in the classified service shall serve a probationary period of twelve (12) months or two thousand eighty (2,080) hours, whichever is more.

Bargaining Unit:
  • General

CLASS: 16405; EST: 3/1/2002; REV: 5/9/2022;