Task statements

  • Collect evidence from crime scenes, storing it in conditions that preserve its integrity.
  • Keep records and prepare reports detailing findings, investigative methods, and laboratory techniques.
  • Use photographic or video equipment to document evidence or crime scenes.
  • Testify in court about investigative or analytical methods or findings.
  • Use chemicals or other substances to examine latent fingerprint evidence and compare developed prints to those of known persons in databases.
  • Measure and sketch crime scenes to document evidence.
  • Visit morgues, examine scenes of crimes, or contact other sources to obtain evidence or information to be used in investigations.
  • Train new technicians or other personnel on forensic science techniques.
  • Operate and maintain laboratory equipment and apparatus.
  • Collect impressions of dust from surfaces to obtain and identify fingerprints.
  • Examine and analyze blood stain patterns at crime scenes.
  • Analyze gunshot residue and bullet paths to determine how shootings occurred.
  • Confer with ballistics, fingerprinting, handwriting, documents, electronics, medical, chemical, or metallurgical experts concerning evidence and its interpretation.
  • Prepare solutions, reagents, or sample formulations needed for laboratory work.
  • Examine footwear, tire tracks, or other types of impressions.
  • Examine physical evidence, such as hair, biological fluids, fiber, wood, or soil residues to obtain information about its source and composition.
  • Reconstruct crime scenes to determine relationships among pieces of evidence.
  • Determine types of bullets and specific weapons used in shootings.
  • Review forensic analysts' reports for technical merit.
  • Interpret laboratory findings or test results to identify and classify substances, materials, or other evidence collected at crime scenes.
  • Compare objects, such as tools, with impression marks to determine whether a specific object is responsible for a specific mark.
  • Identify and quantify drugs or poisons found in biological fluids or tissues, in foods, or at crime scenes.
  • Examine firearms to determine mechanical condition and legal status, performing restoration work on damaged firearms to obtain information, such as serial numbers.
  • Analyze data from computers or other digital media sources for evidence related to criminal activity.

Career and skills data: O*NET 31.0 (onetcenter.org). Figures are published survey estimates, not real-time market data.