Employment Opportunity

Evidence Technician

St. Louis County Police Department, Clayton, Missouri

Salary: $28,849.60 - $46,155.20 Annually

Final Filing Date: July 15, 2018

An employee in this job class is responsible for ensuring the documentation of the proper chain of custody when receiving, securing and returning any physical evidence submitted to the Crime Laboratory by law enforcement agencies for analysis in criminal cases. Work also involves general clerical duties (i.e., answering telephone inquiries, typing and maintaining various laboratory records and files and related duties as designated by the Crime Laboratory Commander). An employee in this position may be exposed to contaminated evidence (i.e., toxic chemicals, noxious odors and controlled substances, etc.) while handling submitted evidence. Work is performed independently but under the general supervision of the Crime Laboratory Commander and/or Deputy Director.

Duties and Requirements Click to read more


  • Properly document the receipt, signature and weighing of necessary evidence received at the front counter.
  • Enters receipts into the Laboratory computer system.
  • Properly document the return of any evidence to submitting agencies or municipalities.
  • Provide direction to officers and detectives as to procedures for properly packaging evidence and completion of evidence receipts.
  • Make file folders and file all evidence receipts and completed paperwork and casework.
  • Distribute completed reports to municipalities and mail reports to County precincts.
  • Locate and pull evidence for upcoming court cases.
  • Pull files, make copies and FAX reports to officers, Prosecuting Attorney's Office, County Counselor's Office, Probation and Parole, Family Court and other agencies that request the completed reports.
  • Locate, pull and prepare complete case files for microfilming.
  • Coordinate drug burns.
  • Perform clerical duties as requested by the Crime Laboratory Commander.
  • Answer telephone calls; provide assistance as required and direct calls to appropriate personnel, when necessary.
  • Provide clerical typing for Crime Laboratory personnel, as necessary.
  • Distribute mail (U.S. Postal and inter-departmental) delivered to Crime Laboratory.
  • Provide centralized ordering for office and laboratory supplies.
  • Oversee maintenance of copier and FAX machines.
  • Provide typing support for updating Laboratory manuals, as requested.
  • Performs other duties, as directed.


  • Knowledge of office methods, procedures and equipment.
  • Knowledge of Crime Laboratory procedures in the handling of physical evidence for the purpose of forensic analysis.
  • Knowledge in the use of safety equipment (i.e., protective eyewear, latex gloves, lab coats, etc.).
  • Skill to communicate in proper English with written or oral methods.
  • Skill to communicate and interact effectively with law enforcement officials, attorneys and court personnel in the reporting of laboratory results.
  • Skill to handle any physical evidence in a safe manner using protocol and safety procedures.
  • Skill to effectively use cleaning solutions in the work area according to manufacturer's recommendations.
  • Skill to alphabetize, transport, file and purge records and documents, as needed.
  • Skill to type computer records or written assignments with limited errors.
  • Ability to handle safety procedures used in an emergency situation (i.e., chemical spills, fires, exposures, etc.).
  • Ability to converse with law enforcement officials, attorneys and the general public in a tactful manner over the telephone and in person.
  • Ability to learn the Crime Laboratory computer system, operate laser printers, copy machines, FAX machines and calculators.
  • Ability to maintain a high degree of professional integrity while dealing with extremely sensitive information or evidence.
  • Ability to maintain confidential clerical records and files.
  • Ability to testify in court on a witness stand and to present all the facts for depositions, while maintaining composure under intense defense cross-examination scrutiny.
  • Ability to make sound decisions pertaining to laboratory office procedures involving the handling of evidence in the absence of the forensic scientists or Commander.
  • Ability to transport, store and retrieve articles or evidence from the proper storage facilities.
  • Ability to establish and maintain harmonious working relations with others.
  • Ability to route telephone calls and mail to the appropriate laboratory personnel.
  • Ability to effectively use the emergency alarm system.
  • Ability to work hours as assigned.
Minimum Qualifications
  • Graduation from high school and ability to pass a typing test.

Do you have the Education Required? See available on-line and campus-based degree programs now!

How to apply: Apply online

Posted: June 23, 2018

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