Crime Scene Investigator Careers

Crime scene investigators are essential members of any law enforcement agency.  These highly qualified professionals collect and analyze evidence left at crime scenes like fingerprints, digital devices or recordings, and DNA evidence.  These materials are transported to a forensic laboratory where they are analyzed using cutting edge technology like genomic sequencers, fingerprint reconstructive tools and recovery software.

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Once the evidence has been processed, conclusions are then communicated to the investigators in charge of the case who utilize the information to track down perpetrators.  In many cases, CSI professionals may be called upon to examine multiple scenes during the course of an investigation.  They may also be asked to collect samples from a suspect’s person, car or residence.

Once an arrest has been made and the case has gone to trial, CSIs are often required to testify in court.  Their scientific testimony is often necessary to convince the jury that a suspect is indeed the perpetrator of the crime.  In order to provide this type of incriminatory evidence, the forensic procedures utilized throughout the investigation must be impeccable.

Crime Scene Investigator Job Description

Crime scene investigators jobs involve being responsible for the following duties:

  • Collect and preserve evidence
  • Maintain detailed logs of evidence processes
  • Transfer fingerprints to permanent media and compare to databases
  • Take detailed and measured photographs of crime scenes
  • Reconstruct criminal activity
  • Produce reports describing analysis results, conclusions and recommendations
  • Properly operate and maintain analytical equipment
  • Recover digital evidence from broken, burned or partially damaged media and digital devices
  • Instruct officers and others in the appropriate management of a crime scene
  • Testify in court about the evidence pipeline

How to Become a Crime Scene Investigator

Most law enforcement agencies require a bachelor’s degree in a field related to forensic science or law enforcement when considering candidates for crime scene investigator jobs, although some smaller agencies may only require an associate’s degree or less.

Degree fields in the following areas provide the greatest competitive advantage in the hiring process:

  • Crime scene investigations
  • Forensic science
  • Criminal justice
  • Cyber crime
  • Forensic psychology
  • Criminal investigations

Prospective crime scene investigators seeking jobs with prestigious organizations like the New York Police Department or the FBI are advised to obtain at least a master’s degree in one of these fields.  An advanced degree is essential for consideration with highly reputable organizations and will speed the promotion process.

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CSI professionals may also serve in civilian jobs or as commissioned officers. Each law enforcement agency has specific requirements for hiring, but most require the following minimum qualifications:

  • U.S. citizenship
  • No felony convictions or domestic violence convictions
  • Be 21 years or older

Many police departments also will require limited or no drug use, exceptional physical condition, and unimpeachable moral character.

Crime Scene Investigator Salary

According to the Bureau of Labor Statistics (BLS), detectives and criminal investigators earned an average salary of $90,370 as of May 2021. During this time, the BLS reported about 108,000 jobs for detectives and criminal investigators.

2021 US Bureau of Labor Statistics salary figures for detectives and criminal investigators. Job growth projections from the US Department of Labor-sponsored resource, Projections Central. Figures are based on national data, not school-specific information. Conditions in your area may vary. Data accessed August 2022.

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