Details for Detectives and Criminal Investigators
Conduct investigations related to suspected violations of Federal, State, or local laws to prevent or solve crimes.
- Check victims for signs of life, such as breathing and pulse.
- Obtain facts or statements from complainants, witnesses, and accused persons and record interviews, using recording device.
- Secure deceased body and obtain evidence from it, preventing bystanders from tampering with it prior to medical examiner's arrival.
- Record progress of investigation, maintain informational files on suspects, and submit reports to commanding officer or magistrate to authorize warrants.
- Prepare charges or responses to charges, or information for court cases, according to formalized procedures.
- 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 summary of incident from officer in charge at crime scene, taking care to avoid disturbing evidence.
- Note, mark, and photograph location of objects found, such as footprints, tire tracks, bullets and bloodstains, and take measurements of the scene.
- Prepare reports that detail investigation findings.
- Examine records and governmental agency files to find identifying data about suspects.
- Secure persons at scene, keeping witnesses from conversing or leaving the scene before investigators arrive.
- Provide information to lab personnel concerning the source of an item of evidence and tests to be performed.
- Analyze completed police reports to determine what additional information and investigative work is needed.
- Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records.
- Prepare and serve search and arrest warrants.
- Question individuals or observe persons and establishments to confirm information given to patrol officers.
- Identify case issues and evidence needed, based on analysis of charges, complaints, or allegations of law violations.
- Participate or assist in raids and arrests.
- Organize scene search, assigning specific tasks and areas of search to individual officers and obtaining adequate lighting as necessary.
- Summon medical help for injured individuals and alert medical personnel to take statements from them.
- Notify command of situation and request assistance.
- Testify before grand juries concerning criminal activity investigations.
- Block or rope off scene and check perimeter to ensure that entire scene is secured.
- Notify, or request notification of, medical examiner or district attorney representative.
- Search for and collect evidence, such as fingerprints, using investigative equipment.
- Determine scope, timing, and direction of investigations.
- Maintain surveillance of establishments to obtain identifying information on suspects.
- Collaborate with other offices and agencies to exchange information and coordinate activities.
- Perform undercover assignments and maintain surveillance, including monitoring authorized wiretaps.
- Examine records to locate links in chains of evidence or information.
- Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
- Investigative - Investigative occupations frequently involve working with ideas, and require an extensive amount of thinking. These occupations can involve searching for facts and figuring out problems mentally.
- Enterprising - Enterprising occupations frequently involve starting up and carrying out projects. These occupations can involve leading people and making many decisions. Sometimes they require risk taking and often deal with business.
- Conventional - Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.
Education, training, experience
- Education - Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.
- Training - Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.
- Experience - Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.
- 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.
- 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.
- 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.
- Sociology and Anthropology -Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures and their history and origins.
- 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.
- Computers and Electronics -Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
- Clerical -Knowledge of administrative and clerical procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and other office procedures and terminology.
- English Language -Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
- 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.
- 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.
- Law and Government -Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.
- 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.
- 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.