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Criminal Investigator

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Job Summary

Under the general direction of the Prosecutor, assists in conducting criminal investigations to prepare cases for criminal prosecution. Interviews Suspects, witnesses, and victims or other parties related to case investigation. Manages physical and digital evidence. Serves as a liaison to police agencies. Serves subpoenas to witnesses as needed.

Primary Duties & Responsibilities

  • Prepares evidence and witnesses for trial and other court hearings. This includes interviewing witnesses and retrieving evidence from agencies.
  • Assists in criminal investigations upon request of county police agencies with jurisdiction of a case.
  • Sends digital evidence to defense attorneys.
  • Receives information about crimes and performs additional investigation as necessary and/or at the request of the prosecuting attorney.
  • Acts as a liaison between police agencies and the Prosecutor’s Office.
  • Prepares written reports as requested regarding investigative activities.
  • May offer testimony as required by the court.
  • Other duties as assigned.

Qualifications

  • The knowledge normally acquired through the completion of an associate’s degree in criminal justice. Equivalent work experience may be accepted.
  • Must have an operator’s license, concealed weapons permit and qualification.
  • Michigan Commission on Law Enforcement Standards (MCOLES) certification.
  • Four to six years of investigative experience.
  • Computer skills necessary to use various digital evidence management systems.
  • Interpersonal skills necessary to effectively communicate with law enforcement personnel, defense attorneys, and the public in situations that require tact and patience.
  • Mental ability to frequently handle simultaneous projects and deadlines.
  • Physical ability to lift twenty-five pounds.
  • Meet standards of the Sheriff Department to be Deputized.

Supplemental Information

Supervisory Responsibilities
None.

Working Conditions
Hybrid Work Classification: On-site required.
Flexibility Classification: Fixed schedule.


  • Normal office environment with occasional discomfort due to heat, dust, and noise, but work could include periodic outdoor conditions with exposure to extreme hot or cold weather.
  • Frequent exposure to significant pressures related to highly sensitive, hazardous, and/or mentally demanding situations outside the workplace.
  • Extended workdays (beyond 8 hours/day or Saturday/Sunday) are occasionally required.
  • On-call availability to handle work problems, attend meetings, handle emergencies/crisis situations, etc. at all hours is occasionally required.
  • Frequent travel is required within Calhoun County and occasional required outside of the County.


Calhoun County's benefits package offers flexibility, choice, and value. It is an attractive component of our employees total compensation package. At Calhoun County, we know that good benefit plans are important to employees and their families. We're committed to providing employees with access to a wide range of information and tools so they can stay informed and make the most of their Calhoun County flexible benefit package.

What benefits does Calhoun County offer its full-time employees?

Medical: Blue Cross/Blue Shield of Michigan with 3 Different Flexible Benefit Plan Options
Dental: 100% Employer Paid through Delta Dental
Vision: 100% Employer Paid through BCBSM Vision Services Plan (VSP)
Employee Health & Wellness Center (Premise Health): Most Services 100% Employer Paid
Life Insurance: 100% Employer Paid for Basic Life & AD&D
Short Term Disability: 100% Employer Paid for 67% Wage Loss Benefits up to 26 Weeks
Retirement: Employer 401(k) Match Program Up to 7% of Employee Contribution
Employee Assistance Program (EAP): 100% Employer Paid Through Bronson HelpNet
Benefit Guide: Find detailed information about the benefits package (Download PDF reader)

Paid Time Off:
  • Start through fourth years – 168 Hours (4.2 weeks based on 40-hour work week)
  • Fifth through ninth years – 208 Hours (5.2 weeks)
  • Tenth through fourteenth years – 248 Hours (6.2 weeks)
  • Fifteen and Subsequent years – 288 Hours (7.2 weeks)

Amounts & distribution may vary slightly by union contract, policy, and/or defined work week

Paid Holidays: 14 Paid Holidays Throughout the Year

Additional Voluntary Benefits:
Flexible Scheduling & Telecommuting Options Depending on Position & Department
Term Life Insurance (above Employer Paid Plan)
Critical Illness & Accident Insurance
Long Term Disability Wage Loss Benefits
Flexible Spending Accounts (FSA)
Health Savings Accounts (HSA)
Employee Wellness Program
Perks Program (discounts at local merchants for being a County employee)

Learn more about Living in Calhoun County

Part-time Employees may elect insurance, provided the Employee pays the full cost of the premium through payroll deduction.

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