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Marc Trahan

It is with great sadness that we share with you the passing of our lead instructor at the CSI Academy of Florida, Retired GPD Officer Marc Trahan. He passed away unexpectedly last night after suffering a massive heart attack.

Marc was one of GPD’s Forensic Investigators for over 20 years and retired in November of 2015. He also served as the Department’s historian for many years and recently co-authored a history book of GPD.


  • BA History at the University of Florida
  • Criminal Justice at Santa Fe College
  • State of Florida Police Certification at Santa Fe College Police Academy


  • Police Officer/Crime Scene Investigator for the City of Gainesville
  • Adjunct Instructor for Police Academy at Santa Fe College

Occupational Licenses, Certifications, or Registrations:

  • Criminal Justice Standards and Training Instructor Certification
  • Criminal Justice Standards and Training Police Officer Certification
  • Senior Crime Scene Analyst Certification with the International Association for Identification