Jonathyn “Jon” Priest is a thirty-one year veteran of the Denver Police Department in Colorado. He has over twenty-seven years of experience investigating thousands of criminal incidents of violence as a detective, supervisor, and command officer.
He is a Court recognized expert in Colorado District Courts and U.S. Federal Courts in bloodstain pattern interpretation, crime scene and shooting incident reconstruction, death investigation, and major case management. In addition to criminal testimony, he testifies and consults in civil cases in the area of death investigation and major case management.
He has extensive background in the area of death investigation and officer-involved critical incident investigation. Jon developed the Denver Police Department’s investigation protocol and training curriculum in the area of death investigation, officer-involved critical incidents, and interview and interrogation. He also has a great deal of experience in the area of video documentation of criminal incidents. He trains law enforcement officers on a state and national level in these disciplines. He regularly consults with the District Attorney for the Second Judicial District as well as the Denver City Attorney in the area of criminal investigation.
He is a member of the following professional organizations:
- Association for Crime Scene Reconstruction (ACSR)
- International Association of Blood Stain Pattern Analysts (IABPA)
- International Association for Identification (IAI)
- Rocky Mountain Association of Bloodstain Pattern Analysts (RMABPA)
- International Homicide Investigators Association (IHIA)
- The American College of Forensic Examiners (ACFEI)
He has a certification from the International Association for Identification (IAI) as a Bloodstain Pattern Examiner (CBPE), a certification from the American College of Forensic Examiners (ACFEI) as a medical investigator (CMI-III), and is a board member of the Association for Crime Scene Reconstruction (ACSR).