An official State of Ohio site. Here’s how you know
Contact

Welcome,
New User

User: New User

Date: 07/22/2026

Detectives and Criminal Investigators

Conduct investigations related to suspected violations of federal, state, or local laws to prevent or solve crimes.

View All

    Work Activities

    Work Activities

    • Prepare reports that detail investigation findings.
    • Analyze completed police reports to determine what additional information and investigative work is needed.
    • Determine scope, timing, and direction of investigations.
    • Prepare charges or responses to charges, or information for court cases, according to formalized procedures.
    • Examine records to locate links in chains of evidence or information.
    • Search for and collect evidence, such as fingerprints, using investigative equipment.
    • Notify, or request notification of, medical examiner or district attorney representative.
    • Record progress of investigation, maintain informational files on suspects, and submit reports to commanding officer or magistrate to authorize warrants.
    • Examine records and governmental agency files to find identifying data about suspects.
    • Note, mark, and photograph location of objects found, such as footprints, tire tracks, bullets and bloodstains, and take measurements of the scene.
    • Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records.
    • Notify command of situation and request assistance.
    • Summon medical help for injured individuals and alert medical personnel to take statements from them.
    • Testify before grand juries concerning criminal activity investigations.
    • Secure deceased body and obtain evidence from it, preventing bystanders from tampering with it prior to medical examiner's arrival.
    • Secure persons at scene, keeping witnesses from conversing or leaving the scene before investigators arrive.
    • Notify command of situation and request assistance.
    • Perform undercover assignments and maintain surveillance, including monitoring authorized wiretaps.
    • Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records.
    • Identify case issues and evidence needed, based on analysis of charges, complaints, or allegations of law violations.
    • Record progress of investigation, maintain informational files on suspects, and submit reports to commanding officer or magistrate to authorize warrants.
    • Secure deceased body and obtain evidence from it, preventing bystanders from tampering with it prior to medical examiner's arrival.
    • Obtain facts or statements from complainants, witnesses, and accused persons and record interviews, using recording device.
    • Preserve, process, and analyze items of evidence obtained from crime scenes and suspects, placing them in proper containers and destroying evidence no longer needed.
    • Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records.
    • Block or rope off scene and check perimeter to ensure that entire scene is secured.
    • Summon medical help for injured individuals and alert medical personnel to take statements from them.
    • Maintain surveillance of establishments to obtain identifying information on suspects.
    • Obtain summary of incident from officer in charge at crime scene, taking care to avoid disturbing evidence.
    • Prepare and serve search and arrest warrants.
    • Organize scene search, assigning specific tasks and areas of search to individual officers and obtaining adequate lighting as necessary.
    • Collaborate with other offices and agencies to exchange information and coordinate activities.
    • Preserve, process, and analyze items of evidence obtained from crime scenes and suspects, placing them in proper containers and destroying evidence no longer needed.
    • Provide information to lab personnel concerning the source of an item of evidence and tests to be performed.
    • Question individuals or observe persons and establishments to confirm information given to patrol officers.
    • Question individuals or observe persons and establishments to confirm information given to patrol officers.
    • Participate or assist in raids and arrests.
    • Examine records and governmental agency files to find identifying data about suspects.
    • Check victims for signs of life, such as breathing and pulse.

    Skills

    • Judgment and Decision Making

      Thinking about the pros and cons of different options and picking the best one.

    • Management of Financial Resources

      Making spending decisions and keeping track of what is spent.

    • Management of Material Resources

      Managing equipment and materials.

    • Systems Analysis

      Figuring out how a system should work and how changes in the future will affect it.

    • Social Perceptiveness

      Understanding people's reactions.

    • Coordination

      Changing what is done based on other people's actions.

    • Active Listening

      Listening to others, not interrupting, and asking good questions.

    • Monitoring

      Keeping track of how well people and/or groups are doing in order to make improvements.

    • Mathematics

      Using math to solve problems.

    • Negotiation

      Bringing people together to solve differences.

    • Equipment Maintenance

      Planning and doing the basic maintenance on equipment.

    • Operations Analysis

      Figuring out what a product or service needs to be able to do.

    • Equipment Selection

      Deciding what kind of tools and equipment are needed to do a job.

    • Time Management

      Managing your time and the time of other people.

    • Repairing

      Repairing machines or systems using the right tools.

    • Troubleshooting

      Figuring out what is causing equipment, machines, wiring, or computer programs to not work.

    • Critical Thinking

      Thinking about the pros and cons of different ways to solve a problem.

    • Reading Comprehension

      Reading work-related information.

    • Learning Strategies

      Using the best training or teaching strategies for learning new things.

    • Programming

      Writing computer programs.

    • Operations Monitoring

      Watching gauges, dials, or display screens to make sure a machine is working.

    • Installation

      Installing equipment, machines, wiring, or computer programs.

    • Operation and Control

      Using equipment or systems.

    • Systems Evaluation

      Measuring how well a system is working and how to improve it.

    • Science

      Using scientific rules and strategies to solve problems.

    • Instructing

      Teaching people how to do something.

    • Service Orientation

      Looking for ways to help people.

    • Complex Problem Solving

      Noticing a problem and figuring out the best way to solve it.

    • Technology Design

      Making equipment and technology useful for customers.

    • Writing

      Writing things for co-workers or customers.

    • Quality Control Analysis

      Testing how well a product or service works.

    • Management of Personnel Resources

      Selecting and managing the best workers for a job.

    • Speaking

      Talking to others.

    • Active Learning

      Figuring out how to use new ideas or things.

    • Persuasion

      Talking people into changing their minds or their behavior.

    WorkKeys®

    Applied Math
    4
    Workplace Documents
    5
    Graphic Literacy
    5

    Abilities

    • Category Flexibility

      Grouping things in different ways.

    • Oral Comprehension

      Listening and understanding what people say.

    • Oral Expression

      Communicating by speaking.

    • Written Expression

      Communicating by writing.

    • Inductive Reasoning

      Making general rules or coming up with answers from lots of detailed information.

    • Hearing Sensitivity

      Telling the difference between sounds.

    • Reaction Time

      Quickly moving your hand, finger, or foot based on a sound, light, picture or other command.

    • Speech Clarity

      Speaking clearly.

    • Rate Control

      Changing when and how fast you move based on how something else is moving.

    • Spatial Orientation

      Knowing where things are around you.

    • Response Orientation

      Quickly deciding if you should move your hand, foot, or other body part.

    • Visualization

      Imagining how something will look after it is moved around or changed.

    • Information Ordering

      Ordering or arranging things.

    • Depth Perception

      Deciding which thing is closer or farther away from you, or deciding how far away it is from you.

    • Stamina

      Exercising for a long time without getting out of breath.

    • Night Vision

      Seeing at night or under low light.

    • Near Vision

      Seeing details up close.

    • Time Sharing

      Doing two or more things at the same time.

    • Selective Attention

      Paying attention to something without being distracted.

    • Multilimb Coordination

      Using your arms and/or legs together while sitting, standing, or lying down.

    • Perceptual Speed

      Quickly comparing groups of letters, numbers, pictures, or other things.

    • Finger Dexterity

      Putting together small parts with your fingers.

    • Speed of Closure

      Quickly knowing what you are looking at.

    • Trunk Strength

      Using your lower back and stomach.

    • Visual Color Discrimination

      Noticing the difference between colors, including shades and brightness.

    • Auditory Attention

      Paying attention to one sound while there are other distracting sounds.

    • Static Strength

      Lifting, pushing, pulling, or carrying.

    • Mathematical Reasoning

      Choosing the right type of math to solve a problem.

    • Written Comprehension

      Reading and understanding what is written.

    • Fluency of Ideas

      Coming up with lots of ideas.

    • Deductive Reasoning

      Using rules to solve problems.

    • Dynamic Flexibility

      Quickly and repeatedly bending, stretching, twisting, or reaching out with your body, arms, and/or legs.

    • Peripheral Vision

      Seeing something to your side when your are looking ahead.

    • Speed of Limb Movement

      Quickly moving your arms and legs.

    • Wrist-Finger Speed

      Making fast, simple, repeated movements of your fingers, hands, and wrists.

    • Memorization

      Remembering words, numbers, pictures, or steps.

    • Arm-Hand Steadiness

      Keeping your arm or hand steady.

    • Originality

      Creating new and original ideas.

    • Problem Sensitivity

      Noticing when problems happen.

    • Gross Body Equilibrium

      Keeping your balance or staying upright.

    • Speech Recognition

      Recognizing spoken words.

    • Control Precision

      Quickly changing the controls of a machine, car, truck or boat.

    • Flexibility of Closure

      Seeing hidden patterns.

    • Manual Dexterity

      Holding or moving items with your hands.

    • Number Facility

      Adding, subtracting, multiplying, or dividing.

    • Dynamic Strength

      Exercising for a long time without your muscles getting tired.

    • Far Vision

      Seeing details that are far away.

    • Gross Body Coordination

      Moving your arms, legs, and mid-section together while your whole body is moving.

    • Extent Flexibility

      Bending, stretching, twisting, or reaching with your body, arms, and/or legs.

    • Glare Sensitivity

      Seeing something even if there is a glare or very bright light.

    • Sound Localization

      Noticing the direction that a sound came from.

    • Explosive Strength

      Jumping, sprinting, or throwing something.

    Knowledge

    • Personnel and Human Resources

      Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

    • Design

      Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.

    • Foreign Language

      Knowledge of the structure and content of a foreign (non-English) language including the meaning and spelling of words, rules of composition and grammar, and pronunciation.

    • Communications and Media

      Knowledge of media production, communication, and dissemination techniques and methods. This includes alternative ways to inform and entertain via written, oral, and visual media.

    • Customer and Personal Service

      Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

    • Sociology and Anthropology

      Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures, and their history and origins.

    • English Language

      Knowledge of the structure and content of the English language including the meaning and spelling of words, and rules of composition and grammar.

    • Therapy and Counseling

      Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance.

    • Public Safety and Security

      Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.

    • Fine Arts

      Knowledge of the theory and techniques required to compose, produce, and perform works of music, dance, visual arts, drama, and sculpture.

    • Computers and Electronics

      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.

    • Law and Government

      Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.

    • Sales and Marketing

      Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.

    • Mathematics

      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

    • Physics

      Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.

    • Chemistry

      Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.

    • Biology

      Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.

    • Medicine and Dentistry

      Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.

    • Production and Processing

      Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.

    • Food Production

      Knowledge of techniques and equipment for planting, growing, and harvesting food products (both plant and animal) for consumption, including storage/handling techniques.

    • Building and Construction

      Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.

    • Transportation

      Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.

    • Administration and Management

      Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.

    • Administrative

      Knowledge of administrative and office procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and workplace terminology.

    • Economics and Accounting

      Knowledge of economic and accounting principles and practices, the financial markets, banking, and the analysis and reporting of financial data.

    • Psychology

      Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders.

    • Philosophy and Theology

      Knowledge of different philosophical systems and religions. This includes their basic principles, values, ethics, ways of thinking, customs, practices, and their impact on human culture.

    • Engineering and Technology

      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

    • Telecommunications

      Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems.

    • Education and Training

      Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

    • Mechanical

      Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

    • Geography

      Knowledge of principles and methods for describing the features of land, sea, and air masses, including their physical characteristics, locations, interrelationships, and distribution of plant, animal, and human life.

    • History and Archeology

      Knowledge of historical events and their causes, indicators, and effects on civilizations and cultures.

    Career Video

    Additional videos and more information available on CareerOneStop

    Pay

    • Ohio Annual Salary 79300/yr
    • Typical Salary
    • Ohio Hourly Wage 38.13/hr
    • Typical Hourly Wage

    Ohio Employment Trends

    • Currently Employed 2,310
    • Yearly Projected Openings 170

    Typical Education

    Personality

    Investigative: People interested in this work like activities that include ideas, thinking, and figuring things out.They do well at jobs that need:
    • Initiative
    • Perseverance
    • Adaptability
    • Stress Tolerance
    • Self-Control
    • Achievement Orientation

    Tools

    • Alcohol analyzers
    • Binocular light compound microscopes
    • Biological evidence collection kits
    • Body armour
    • Bullet proof vests
    • Desktop computers
    • Dictation machines
    • Digital camcorders or video cameras
    • Digital cameras
    • Fingerprint equipment
    • Fingerprint latent print kits
    • Flares
    • Footprint lifters
    • Footwear covers
    • Gas generators
    • Goggles
    • Hand sprayers
    • Handcuffs
    • Handguns
    • Hazardous material protective apparel
    • Infrared lamps
    • Instant print cameras
    • Lasers
    • Masks or accessories
    • Measuring wheels for distance
    • Metal detectors
    • Military rifles
    • Mobile medical services automated external defibrillators AED or hard paddles
    • Mobile medical services first aid kits
    • Narcotic test kits
    • Night sticks
    • Notebook computers
    • Personal computers
    • Physiological recorders
    • Police or security shotguns
    • Police vehicles
    • Protective gloves
    • Radarbased surveillance systems
    • Riot batons
    • Riot helmets
    • Riot shields
    • Rulers
    • Still cameras
    • Surveillance video or audio recorders
    • Tape measures
    • Two way radios
    • Ultraviolet UV lamps
    • Weapon or explosives detectors and supplies

    Technology

    • Analytical or scientific software
    • Data base user interface and query software
    • Desktop publishing software
    • Electronic mail software
    • Geographic information system
    • Graphics or photo imaging software
    • Internet browser software
    • Map creation software
    • Network monitoring software
    • Office suite software
    • Operating system software
    • Presentation software
    • Process mapping and design software
    • Project management software
    • Spreadsheet software
    • Word processing software
    Need help on researching occupations and careers? Download the Guide to Researching Occupations (PDF).

    Need help on how to research education and training programs? Download the Guide to Higher Education (PDF).

    Budget Calculator

    Answer a few questions to determine your target salary. Use this target salary to help choose the right occupation for you.

    Lifestyle Calculator

    Answer a few questions to determine your target salary. Use this target salary to help choose the right occupation for you.

    Workforce Supply Tool

    Workforce Supply Tool

    The Workforce Supply Tool provides statistics for the occupations in highest demand throughout Ohio.

    You can view statewide statistics as well as more region specific information.

    Visit Site
    Powered By: