Grand Junction Police Department, Colorado

Digital Forensic Analyst


Under direction from the Crime Lab Supervisor:

  • Perform forensic computer/digital evidence recovery and analysis on a wide variety of specialized visual and/or computer based related peripheral equipment and data storage devices. 
  • Perform a variety of advanced procedures to analyze digital multimedia evidence.
  • Perform advanced analytical procedures to determine authenticity and integrity of evidence and comparative evaluations.
  • Determine speed of vehicles and height of suspects through the use of photogrammetry. 
  • Prepare clear and concise reports that demonstrate analytical procedures follow scientific methodology and can be reproduced.
  • Provide expert testimony in court articulating advanced concepts pertaining to digital multimedia evidence. 
  • Review search warrants to validate authority and accompany police to execute search warrants and collect evidence. 
  • Conduct crime scene investigations.
  • Identify, collect, and preserve digital evidence.
  • Reconstruct crime scenes. 
  • Maintain and manage the proper handling procedures regarding protection, collection, and storage of physical and digital evidence. 
  • Provide instruction to other department employees on digital evidence collection concepts and best practices.
  • Maintain digital lab software, equipment, and program licenses.

QualificationsBachelor’s degree from an accredited college or university with an emphasis in computer science, information technology, or related field.  One (1) year of progressively responsible forensic digital analysis experience.  Other combinations of experience and education that meet the minimum requirements may be substituted.  Possession of, or the ability to obtain, a valid Colorado Driver License.  Possession of, or the ability to obtain within two (2) years of hire date, certification in a digital forensics disciple through an international association (LEVA, IAI, IACIS).

Knowledge of:

  • Best practices and guidelines for processing digital evidence, hard drive file systems, mobile device operating file systems, registry entries, user/system-generated artifacts, binary data, and deleted files/folders, P-list files, encoded time stamps, application and system logs.
  • Repair, reconstruction, decoding, identification, capture, and clarification techniques regarding video, still images, and audio recordings.
  • Non-linear video editing systems.
  • Comparing class and unique characteristics in criminalistics investigations.
  • Principles of DVR operating systems, hard drive file formats, and export options.
  • Computer systems and peripheral devices, including hard drive discs, solid-state drives, optical discs, flash memory, and mobile devices.
  • Digital encryption and decryption techniques.
  • Methods and techniques of crime scene documentation and evidence collection.
  • Applicable Federal, State, County and/or City statues, rules, regulations, case law and procedures.

Ability to:

  • Use digital evidence technology and processing tools.
  • Transcode, duplicate, and troubleshoot digital multimedia evidence files.
  • Process and analyze large quantities of data in computer/mobile examinations.
  • Distinguish between system-generated data and user-generated data.
  • Work with investigation teams in the identification of suspects through digital evidence.
  • Process and search for items of sensitive material stored on digital devices.
  • Troubleshoot complex electronic devices.
  • Testify in court as an expert in digital forensics.
  • Maintain accurate records.
  • Effectively communicate verbally and in writing.
  • Perform analysis, interpret data and develop conclusions.
  • Interpret and apply Federal, State and local policies, laws and regulations.
  • Establish and maintain effective working relationships with those contacted in the course of work.

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