Police Investigator job description.
A Police Investigator conducts detailed investigations into crimes, gathering evidence, interviewing witnesses and suspects, and building cases for prosecution. They work closely with patrol officers, forensic teams, and prosecutors to solve cases and ensure due process is followed throughout each investigation.
The Police Investigator job description · $29
The full editable .docx — role summary, 8 worked responsibilities, qualifications, and skills, formatted for your letterhead. Delivered to your inbox within 24 hours — usually instantly.
Role: Police Investigator Reports to: Detective Sergeant or Investigations Lieutenant
A Police Investigator conducts detailed investigations into crimes, gathering evidence, interviewing witnesses and suspects, and building cases for prosecution. They work closely with patrol officers, forensic teams, and prosecutors to solve cases and ensure due process is followed throughout each investigation.
- Investigate reported crimes and gather physical and digital evidence
- Interview victims, witnesses, and suspects
- Coordinate with forensic units and crime scene technicians
What's inside the document.
One-paragraph plain-English explanation of the role's outcome and scope.
8 responsibilities phrased the way the work is actually done.
4 qualifications a candidate must have to perform on day 30.
3 qualifications that would make a candidate excellent in year two.
5 skill chips you can copy directly into your ATS.
Detective Sergeant or Investigations Lieutenant
A complete document set.
- Word document (.docx) — fully editable
- PDF — signature-ready
- Google Docs — one-click copy to your Drive
- 12 months of updates to this document
- Commercial-use licence for internal and client work
The work, not the title.
- Investigate reported crimes and gather physical and digital evidence
- Interview victims, witnesses, and suspects
- Coordinate with forensic units and crime scene technicians
- Prepare detailed case files, reports, and evidence documentation
- Obtain and execute search warrants in accordance with legal procedure
- Collaborate with prosecutors to build cases for trial
- Testify in court proceedings as required
- Maintain accurate records within case management systems
Required — and what would make a candidate excellent.
- Current sworn police officer status with required licensure/certification as required by state and employer
- 3+ years of patrol or law enforcement experience
- Completion of criminal investigation training
- Strong report writing and interviewing skills
- Specialized training in forensics, digital evidence, or interrogation
- Bachelor's degree in criminal justice or related field
- Experience testifying in court
Eight steps from download to publish.
- 01Open the Police Investigator job description in Word or your one-click Google Docs copy.
- 02Replace placeholders for company name, reporting line, and location with your specifics.
- 03Tighten the summary to one paragraph that names the team's outcome, not just the role.
- 04Edit the responsibilities to match the actual scope of the seat — aim for 6 to 8 items, not 12.
- 05Separate required qualifications from preferred. Required is what a candidate must have to do the work on day 30; preferred is what would make them excellent in year two.
- 06Add salary range guidance using BLS, Payscale, or your own band data — do not copy generic figures.
- 07Have the hiring manager and one peer read it. Cut anything that wouldn't survive a candidate question.
- 08Publish to your ATS, intranet, and external careers page.
The right document at the right moment.
Use this Police Investigator job description any time you are opening or reopening a seat at this level. The mid band sets the calibration — copy the document, tighten it to your specific scope, and circulate to the hiring panel before the first interview.
The reporting line (Detective Sergeant or Investigations Lieutenant) and skills list are starting points. Override either if your org structure or stack differs from the norm — the template is a draft, not a contract.
Honest answers before you download.
- What is the difference between a Police Investigator and a Detective?
- The titles often overlap; some departments use Detective as the formal rank for officers assigned to investigative duties, while Police Investigator describes the function more broadly.
- What training is typically required before becoming an investigator?
- Candidates usually complete several years of patrol experience plus department-specific investigative training before moving into this role.
Other documents in this neighbourhood.
Detective
A detective investigates crimes by gathering evidence, interviewing witnesses and suspects, and building cases for prosecution.
Criminal Investigator
A criminal investigator gathers evidence and conducts inquiries into alleged criminal activity for a law enforcement or government agency.
Police Officer
A Police Officer patrols an assigned area to protect life and property, enforce laws, and respond to calls for service.
This Police Investigator job description is a professionally drafted starting point for your hiring process and is not legal advice. Hiring practice varies by jurisdiction (e.g. pay-transparency laws differ across US states and AU jurisdictions). Adapt this document for your specific location and have employment counsel review any clauses you add before publishing. Salary varies by region, employer type, and experience. Reference BLS or current industry surveys for ranges. Full disclaimer.