How do they match: Detectives and Criminal Investigators

  • State Trooper
  • Station Detective
  • Deputy United States Marshal
  • Missing Persons Investigator
  • United States Marshal

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

  • Obtain facts or statements from complainants, witnesses, and accused persons and record interviews, using recording device.
  • 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.
  • 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.

  • Communicate situation details to appropriate personnel.
  • Request emergency personnel.