State Police Evidence Technician (SPET)

General Information

Requires knowledge, skill, and mental development equivalent to the completion of two years of college, preferably in one of the natural/biological sciences and/or law enforcement.

Commonly recognized natural sciences include college/university majors in disciplines such as agricultural science, animal science, biochemistry, biology, botany, chemistry, entomology, geology, medical technology, physics, preliminary medicine, and zoology. This is not a list of all natural sciences.

As an SPET, you will need to:

  • gain and maintain satisfactory working relationships with coworkers, various law enforcement personnel, and legal system personnel
  • communicate ideas effectively in oral and written form
  • analyze and correlate data contained in reports of crime
  • testify effectively in court
  • use computer software programs and hardware
  • construct court exhibits and demonstration charts
Click here scroll to the bottom of the page and click on the link for the "Pay Plan". The correct salary plan ends in the letter 'B.'

Becoming a State Police Evidence Technician (SPET)

Application Process...

  • Obtain and complete the most current CMS100
    • If you have questions about the hiring process or are unable to open the CMS 100, please visit the CMS website at
  • A separate application must be submitted for each title and/or county
  • To be sure the Department of Central Management Services will grade your application properly, the ISP recommends you fill in specific answers as follows:
    Position Title: State Police Evidence Technician I or II
    County Choice: (see map of laboratory locations)
    Cook/Zone: For Cook County Only, select one of options listed
    Availability: A
    Work History: Complete from age 18 (if you were in high school at age 18, please note name of high school)
    Education Report: Complete in full

Be sure to sign each application in the appropriate space in the Signatures Section at the bottom of page 1. All applications, both originals and photocopies, must be signed in original ink, i.e. you must not photocopy your signature. Only high quality photocopies will be accepted. Remember to keep a copy for your own records.

Send the completed application to:

  1. Central Management Services
  2. Examining and Counseling
  3. Room 500
  4. Stratton Office Building
  5. 401 South Spring Street
  6. Springfield, IL 62706