Criminal Investigator
Criminal Justice & Protective Services
A program focusing on the principles, procedures, techniques, legal concerns, and problems associated with a criminal investigation.
What Criminal Investigators Do
A program focusing on the principles, procedures, techniques, legal concerns, and problems associated with a criminal investigation.
Common Tasks
Criminal Justice and Law Enforcement Teachers, Postsecondary
- 1Prepare and deliver lectures to undergraduate or graduate students on topics such as criminal law, defensive policing, and investigation techniques.
- 2Initiate, facilitate, and moderate classroom discussions.
- 3Evaluate and grade students' class work, assignments, and papers.
- 4Compile, administer, and grade examinations, or assign this work to others.
- 5Keep abreast of developments in the field by reading current literature, talking with colleagues, and participating in professional conferences.
What You'll Learn
Types of Criminal Investigators
Work Environment
Locations
- • Police departments and sheriff's offices
- • City streets and neighborhoods (patrol areas)
- • Courthouses and legal proceedings
- • Crime scenes and field investigation sites
- • Community events and public facilities
Schedule
Many officers work rotating shifts that can include nights, weekends, holidays, and on-call overtime depending on staffing and incidents.
Physical Demands
Work involves a mix of sitting (reports, interviews) and active field duties such as standing, walking/running, and handling equipment. Physical readiness is important for pursuits, defensive tactics, and working in unpredictable environments.
Salary & Job Outlook
National Employment: 832,900 jobs
Top Paying States
Why Demand May Grow
Communities continue to need patrol, investigative, and emergency-response services as populations grow and public safety expectations rise. Increased focus on evidence-based policing and complex crimes (e.g., cyber and fraud) can also expand investigative roles.
Skills You'll Need
Pros & Cons
Pros
- • Strong sense of public service and community impact
- • Clear career ladders (special units, detective, supervision)
- • Competitive pay and benefits in many agencies
- • Varied work with new situations each day
- • Transferable skills in investigation and report writing
Cons
- • High stress and exposure to traumatic incidents
- • Risk of injury and dangerous encounters
- • Shift work can disrupt sleep and family life
- • Heavy documentation and legal scrutiny
- • Public-facing role with intense accountability
Common Questions About the Criminal Investigator Trade
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