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 Department; 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 Department.

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 Department 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 in order 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.
  • Perform related duties as assigned.


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 years of increasingly responsible evidence collection experience with at least 3 years of experience performing duties similar to an Evidence Technician  II with Placer County, including one year of general lead or supervisory experience.

Training: Equivalent to the completion of the twelfth grade.

Required License or Certificate:

  • Must successfully complete the Property Management course within 12 months of hire.
  • Must have satisfactorily completed Basic and Advanced Field Evidence Technician Course. 
  • Possession of Crime Scene Investigations certificate.
  • Must have satisfactorily completed the Latent Print Comparisons course.
  • Must have satisfactorily completed the Advanced 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 the various methods of printing, developing and enlarging negatives to pictures.
  • 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:

  • 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; elementary laboratory developing, printing and enlarging of photographs for courtroom presentation; and more sophisticated field forensics.
  • On a continuous basis observe, analyze and problem solve crime scenes; develop evidence to be processed; know, remember and understand the principles of evidence collection and analysis; identify, interpret, explain and enforce evidentiary and other law enforcement procedures; review and interpret case reports; and maintain awareness of safety at all times.
  • On an intermittent basis sit, walk, stand, climb, kneel, bend and twist while inspecting crime scenes; write and use a keyboard to communicate; and occasionally lift heavy weight.
  • 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 under pressure.

CLASS: 16405; EST: 3/1/2002; REV: ;