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Detectives and Criminal Investigators - 33-3021.00

O*NET-SOC Description

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

Sample of Reported Job Titles

No information available.

SOC Occupation Groups

33-0000 Protective Service Occupations
33-3000 Law Enforcement Workers
33-3020 Detectives and Criminal Investigators
33-3021.00 Detectives and Criminal Investigators

Related Occupations

Tasks

  • Analyze completed police reports to determine what additional information and investigative work is needed.
  • Block or rope off scene and check perimeter to ensure that entire scene is secured.
  • Check victims for signs of life, such as breathing and pulse.
  • Collaborate with other offices and agencies to exchange information and coordinate activities.
  • Determine scope, timing, and direction of investigations.
  • Examine records and governmental agency files to find identifying data about suspects.
  • Examine records to locate links in chains of evidence or information.
  • Identify case issues and evidence needed, based on analysis of charges, complaints, or allegations of law violations.
  • Maintain surveillance of establishments to obtain identifying information on suspects.
  • Note, mark, and photograph location of objects found, such as footprints, tire tracks, bullets and bloodstains, and take measurements of the scene.
  • Notify command of situation and request assistance.
  • Notify, or request notification of, medical examiner or district attorney representative.
  • Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records.
  • Obtain facts or statements from complainants, witnesses, and accused persons and record interviews, using recording device.
  • Obtain summary of incident from officer in charge at crime scene, taking care to avoid disturbing evidence.
  • Organize scene search, assigning specific tasks and areas of search to individual officers and obtaining adequate lighting as necessary.
  • Participate or assist in raids and arrests.
  • Perform undercover assignments and maintain surveillance, including monitoring authorized wiretaps.
  • Prepare and serve search and arrest warrants.
  • Prepare charges or responses to charges, or information for court cases, according to formalized procedures.
  • Prepare reports that detail investigation findings.
  • 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.
  • Record progress of investigation, maintain informational files on suspects, and submit reports to commanding officer or magistrate to authorize warrants.
  • Search for and collect evidence, such as fingerprints, using investigative equipment.
  • 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.
  • Summon medical help for injured individuals and alert medical personnel to take statements from them.
  • Testify before grand juries concerning criminal activity investigations.

Detailed Work Activities

  • Analyze crime scene evidence.
  • Apprehend criminal suspects.
  • Block physical access to restricted areas.
  • Check physical condition of people or animals.
  • Collaborate with law enforcement or security agencies to share information.
  • Collect evidence for legal proceedings.
  • Communicate situation details to appropriate personnel.
  • Detain suspects or witnesses.
  • Determine operational procedures.
  • Direct criminal investigations.
  • Document legal or regulatory information.
  • Examine crime scenes to obtain evidence.
  • Examine records or other types of data to investigate criminal activities.
  • Interview people to gather information about criminal activities.
  • Investigate accidents to determine causes.
  • Maintain surveillance of individuals or establishments.
  • Observe individuals' activities to gather information or compile evidence.
  • Prepare investigation or incident reports.
  • Prevent unauthorized individuals from entering restricted areas.
  • Process forensic or legal evidence in accordance with procedures.
  • Record crime or accident scene evidence with video or still cameras.
  • Record information about suspects or criminals.
  • Request emergency personnel.
  • Serve court ordered documents.
  • Testify at legal or legislative proceedings.
  • Use databases to locate investigation details or other information.

Military Crosswalk Titles

  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Operator (Air Force - Enlisted)
  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Operator Apprentice (Air Force - Enlisted)
  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Operator Craftsman (Air Force - Enlisted)
  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Operator Helper (Air Force - Enlisted)
  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Operator Journeyman (Air Force - Enlisted)
  • All Source Intelligence Analyst (Air Force - Enlisted)
  • All Source Intelligence Analyst Apprentice (Air Force - Enlisted)
  • All Source Intelligence Analyst Craftsman (Air Force - Enlisted)
  • All Source Intelligence Analyst Helper (Air Force - Enlisted)
  • All Source Intelligence Analyst Journeyman (Air Force - Enlisted)
  • Area Intelligence Technician (Army - Warrant Officer only)
  • Chief Counterintelligence/Human Intelligence Sergeant (Army - Enlisted)
  • Chief Signals Intelligence (SIGINT) Sergeant (Army - Enlisted)
  • CID Special Agent (Army - Enlisted)
  • CID Special Agent (Army - Warrant Officer only)
  • Combat Engineer (Army - Enlisted)
  • Combat Medic Specialist (Army - Enlisted)
  • Counter Intelligence Agent (Army - Enlisted)
  • Counter-Intelligence Technician (Army - Warrant Officer only)
  • Counterintelligence/Human Intelligence (CI/HUMINT) Specialist (Marine Corps - Enlisted)
  • Criminal Investigator CID Agent (Marine Corps - Enlisted)
  • CWO - Intelligence (Navy - Warrant Officer only)
  • CWO - Security (Navy - Warrant Officer only)
  • Explosive Ordnance Disposal (Air Force - Enlisted)
  • Explosive Ordnance Disposal (EOD) Technician (Marine Corps - Enlisted)
  • Explosive Ordnance Disposal (Navy - Enlisted)
  • Explosive Ordnance Disposal Apprentice (Air Force - Enlisted)
  • Explosive Ordnance Disposal Craftsman (Air Force - Enlisted)
  • Explosive Ordnance Disposal Helper (Air Force - Enlisted)
  • Explosive Ordnance Disposal Journeyman (Air Force - Enlisted)
  • Explosive Ordnance Disposal Superintendent (Air Force - Enlisted)
  • Forensic Psycho-physiologist (Polygraph Examiner) (Marine Corps - Enlisted)
  • Global War on Terrorism (GWOT) Individual Augmentee/In Lieu Of (IA/ILO) Detainee Operations Interrogator (Navy - Enlisted)
  • GWOT IA/ILO Detainee Operations Interrogator (Navy - Enlisted)
  • Human Intelligence Collection Technician (Army - Warrant Officer only)
  • Human Intelligence Collector (Army - Enlisted)
  • Human Intelligence Specialist (Air Force - Enlisted)
  • Human Intelligence Specialist Apprentice (Air Force - Enlisted)
  • Human Intelligence Specialist Craftsman (Air Force - Enlisted)
  • Human Intelligence Specialist Helper (Air Force - Enlisted)
  • Human Intelligence Specialist Superintendent (Air Force - Enlisted)
  • Independent Duty Master-at-Arms (Navy - Enlisted)
  • Intelligence Analyst (Air Force - Enlisted)
  • Intelligence Analyst (Army - Enlisted)
  • Intelligence Analyst Apprentice, Cryptologic Analysis and Reporting (Air Force - Enlisted)
  • Intelligence Analyst Apprentice, Cyber Intelligence Analysis (Air Force - Enlisted)
  • Intelligence Analyst Craftsman (Air Force - Enlisted)
  • Intelligence Analyst Craftsman, Cryptologic Analysis and Reporting (Air Force - Enlisted)
  • Intelligence Analyst Craftsman, Cyber Intelligence Analysis (Air Force - Enlisted)
  • Intelligence Analyst Helper (Air Force - Enlisted)
  • Intelligence Analyst Helper, Cryptologic Analysis and Reporting (Air Force - Enlisted)
  • Intelligence Analyst Helper, Cyber Intelligence Analysis (Air Force - Enlisted)
  • Intelligence Analyst Journeyman, Cryptologic Analysis and Reporting (Air Force - Enlisted)
  • Intelligence Analyst Journeyman, Cyber Intelligence Analysis (Air Force - Enlisted)
  • Intelligence Specialist (Coast Guard - Enlisted)
  • Intelligence Specialist (Marine Corps - Enlisted)
  • Intelligence Specialist (Navy - Enlisted)
  • Investigator (Coast Guard - Enlisted)
  • Investigator-Protective Service Specialist (Navy - Enlisted)
  • LDO - Intelligence (Navy - Commissioned Officer only)
  • LDO - Security (Navy - Commissioned Officer only)
  • Master-At-Arms (Navy - Enlisted)
  • Military Criminal Investigator (Navy - Enlisted)
  • Military Investigator (Navy - Enlisted)
  • Military Police (Army - Commissioned Officer only)
  • Military Police (Army - Enlisted)
  • Military Police (Marine Corps - Enlisted)
  • Military Police Investigator (Marine Corps - Enlisted)
  • RL - Special Duty Officer - Intelligence Officer (Navy - Commissioned Officer only)
  • Security Forces (Air Force - Enlisted)
  • Security Forces Apprentice (Air Force - Enlisted)
  • Security Forces Apprentice, Combat Arms (Air Force - Enlisted)
  • Security Forces Apprentice, Military Working Dog Handler (Air Force - Enlisted)
  • Security Forces Craftsman (Air Force - Enlisted)
  • Security Forces Helper (Air Force - Enlisted)
  • Security Forces Helper, Combat Arms (Air Force - Enlisted)
  • Security Forces Helper, Military Working Dog Handler (Air Force - Enlisted)
  • Security Forces Journeyman (Air Force - Enlisted)
  • Security Forces Journeyman, Combat Arms (Air Force - Enlisted)
  • Security Forces Journeyman, Military Working Dog Handler (Air Force - Enlisted)
  • Security Forces Superintendent (Air Force - Enlisted)
  • Senior Military Police Sergeant (Army - Enlisted)
  • Signals Intelligence (SIGINT) Senior Sergeant/SIGINT Chief (Army - Enlisted)
  • Signals Intelligence (SIGINT) Voice Interceptor (Army - Enlisted)
  • Signals Intelligence Analyst (Army - Enlisted)
  • Special Forces Assistant Operations and Intelligence Sergeant (Army - Enlisted)
  • Special Forces Weapons Sergeant (Army - Enlisted)
  • Special Investigations (Air Force - Commissioned Officer only)
  • Special Investigations (Air Force - Enlisted)
  • Special Investigations Craftsman (Air Force - Enlisted)
  • Special Investigations Helper (Air Force - Enlisted)
  • Special Investigations Journeyman (Air Force - Enlisted)
  • Special Investigations Superintendent (Air Force - Enlisted)
  • Unit Supply Specialist (Army - Enlisted)

Apprenticeship Crosswalk Titles

No information available.

DOT Crosswalk Titles

  • Child Support Officer
  • Detective
  • Detective, Narcotics and Vice
  • Identification Officer
  • Investigator, Internal Affairs
  • Investigator, Narcotics
  • Investigator, Vice
  • Police Officer III
  • Special Agent