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Job Description

Police Detective Job Description, Roles/Responsibilities and Qualifications

Police Detective job description: This article will teach you all you need to know to get hired as a police Detective Job. The roles/responsibilities and qualifications of the police detective job are outlined in this article.InformationGuideNigeria

Police detectives investigate crimes and gather evidence to prosecute criminals. Anyone with a history in law enforcement and an eye for detail should consider a career in this profession. Detectives may operate alone or with colleagues, and many work irregular hours in dangerous situations due to the nature of the job. Regularly, police detectives may be required to report to a higher-ranking officer. Police Detective Job Description

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Police detectives have a wide range of responsibilities, and no two days are the same. A police investigator may spend one day of the week drafting reports and processing paperwork, and the next day pursuing a criminal, participating in a standoff, and defending people from potentially lethal situations. Police detectives are required to conduct a wide range of activities, including investigating and solving crimes, upholding laws, and protecting the public.

Police Detective Job Description, Roles/Responsibilities and Qualifications
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In charge of investigating crimes such as burglaries, killings, assaults, and other incidents to identify and prosecute culprits. Gathers evidence, interviews witnesses, and gives testimony in court.20 Best Men’s Wrist Watches in Nigeria and their prices

The Detective is expected to execute comprehensive criminal investigation work, law enforcement and crime prevention work, enforce State and local laws and ordinances, and teach and mentor holders of rotational Detective positions under the supervision of the Investigations Division Sergeant.

In addition to completing investigative work and general administrative tasks in carrying out the Chief of Police’s direction, the Detective aids the Investigations Sergeant in executing lead worker responsibilities and field supervision of crime scenes.

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Responsibilities of A Police Detective

  1. Examine crime scenes for clues and evidence like loose hairs, fibers, clothing, or weapons.
  2. Secure the deceased body and take evidence from it while keeping bystanders from interfering with it before the arrival of the medical examiner.
  3. Collect evidence from the suspects.
  4. As a witness in court, provide testimony.
  5. Examine completed police reports to see whether extra information and investigative work are required.10 Best Haier Thermocool Freezers in Nigeria and their Prices
  6. Charges or responses to charges, as well as information for court cases, must be prepared by defined protocols.
  7. Take measurements of the scene and note, mark, and photograph the location of objects found, such as footprints, tire tracks, bullets, and bloodstains.
  8. Obtain facts or testimonies from complainants, witnesses, and accused persons, and use a recording device to record interviews.
  9. Obtain an event summary from the officer in command at the crime scene, taking care not to disrupt any evidence.
  10. Investigate records and governmental agency files for identifying information about suspects.
  11. Prepare and serve arrest and search warrants
  12. Block off or rope off the site and inspect the perimeter to confirm that the entire scene is secure.
  13. Request medical assistance for injured individuals and notify medical professionals that statements will be taken.
  14. Inform lab professionals about the source of a piece of evidence and the tests that will be performed.
  15. Monitor the conditions of unconscious victims so that arrangements can be made to obtain statements if consciousness is restored.
  16. Secure the scene by preventing witnesses from chatting or leaving before detectives arrive.
  17. Preserve, process, and analyze evidence gathered from crime scenes and suspects, storing it in appropriate containers and discarding evidence that is no longer required.
  18. Keep track of the investigation’s progress, keep informational files on suspects, and provide reports to the commanding officer or magistrate to obtain warrants.
  19. Photograph relevant portions of a crime scene from all angles, including entrance and departure routes, roadways, and intersections.
  20. Organize the scene search, allocating specific jobs and search areas to different police and securing appropriate lighting as needed.
  21. Question people or observe people and places to authenticate information given to patrol personnel.
  22. Notify the medical examiner or a district attorney’s representative, or seek notification.
  23. When you get to the scene, take note of important data including the time of day and the weather.
  24. Take part in or assist with raids and arrests.
  25. Wherever feasible, videotape scenes such as evidence gathering, victim assessment at the scene, and defendants and witnesses.
  26. Coordination with outside agencies and participation in interagency task forces to combat specific forms of crime
  27. Maintain establishment monitoring to collect identifying information on suspects.
  28. Inform the command of the issue and request assistance.
  29. Schedule polygraph exams for consenting participants and keep track of test interpretation results for presenting findings.
  30. Look for signs of life in victims, such as breathing and a pulse.
  31. To gather evidence and safeguard undercover agents, observe and photograph drug purchase transactions.

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Roles of A Police Detective

  • Investigate homicides, sexual assaults, armed robberies, house invasions, and property crimes like burglaries.
  • Gather and apply forensic evidence to solve crimes.
  • To determine alibis, clues, time limits, and likely suspects, interview informants, suspects, and witnesses.
  • Keep meticulous records.
  • Bag evidence properly and send it to the appropriate department.
  • Send specimens to a laboratory for DNA extraction.
  • To find matches, run fingerprints across the database.
  • Gather enough evidence to support a criminal’s case in court.
  • Investigate crime scenes.
  • Request more police aid.
  • Documents should be filed.JAMB Form
  • Take action on leads.
  • Create investigational reports.
  • Attend autopsies and take detailed notes.
  • Make drawings and diagrams.
  • Explain the value of evidence proven to the jury.
  • Maintain a thorough understanding of federal and state statutes, court judgments, and agency rules and regulations about the work performed.
  • Obtain warrants for searches.
  • Surveillance and monitoring of suspects
  • Analyze laboratory results.
  • Coordinate efforts and exchange information with different departments.
  • Take physical descriptions of suspects.
  • Obtain fingerprints at the crime scene.

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Police Detective job qualifications/skills


Equivalent to a high school diploma and thirty (30) units of college coursework from an approved college or university.

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License or Certificate

  • Possession of a valid California driver’s license at the time of appointment is required and must be maintained as a condition of ongoing employment.
  • Possession of an Intermediate P.O.S.T. credential.

Physical requirements

Maintain physical ability and stamina to meet police and safety standards, such as: seeing well enough to drive vehicles under emergency conditions, making valid identifications, using firearms, detecting hazardous situations, and writing legible reports; hearing and speaking well enough to converse on the radio, phone, and in-person over incident noise, to be alert to situations of danger; bodily mobility to make rapid transitions from rest to near maximum exertion without warm-up periods;


Active Listening – Giving complete attention to what others are saying, taking the time to understand the points being made, asking questions as needed, and refraining from interrupting at inappropriate moments.

Writing – Communicating effectively in writing as appropriate for the audience’s needs.

Reading Comprehension – Understanding written sentences and paragraphs in professional documents.

Critical Thinking– the process of using one’s reasoning skills to weigh the merits of various potential answers, conclusions, or methods for tackling an issue.

Speaking – Communicating with others to get your point across

Coordination – Adapting actions in response to the actions of others

Social Perceptiveness – Being aware of other people’s behaviors and comprehending why they behave the way they do

Active Learning — Understanding how new information affects the present and future problem-solving and decision-making.

Persuasion – convincing others to change their minds or behavior

Negotiation – Bringing people together and attempting to resolve disagreements

Time Management – Managing one’s own and other people’s time

Learning Strategies When learning or teaching new things, select and employ appropriate training/instructional methods and procedures.

Complex Problem Solving – Identifying complicated problems and reviewing relevant information to develop, assess, and implement solutions.

Service Orientation actively seeking methods to assist others

Instructing – instructing others on how to achieve something

Monitoring Monitoring and evaluating the performance of yourself, other people, or organizations to improve or take remedial action.

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Police Detective Salary Structure in the USA

What is the average salary for a Police Detective in the United States? As of October 27, 2022, the average Police Detective pay in the United States is $68,438; however, the income range frequently ranges between $55,295 and $82,760. Salary ranges can vary greatly depending on a variety of factors, including education, certifications, additional skills, and the number of years you have worked in your field.

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You can use this job description to attract and hire the best applicants. We wish you the best in using this information. If you are unable to find what you are looking for in this article, feel free to drop your comment in the comment section.WAEC Result

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