St. Johns County


Commander Russ Martin

Central Investigations is commanded by Commander Russ Martin and is comprised of five units: the Major Crimes Unit, the Special Victims Unit, the Special Investigations Unit, Intelligence, and Forensics.

Major Crimes is managed by LT Jeremy Russell and supervised by SGT Sean Tice, and SGT David Garns.  The unit is comprised of 12 detectives who are responsible for the investigation of violent crimes, such as robbery, missing and endangered persons, aggravated battery, unattended, suspicious and in-custody death, traffic homicide, as well as cold case homicides and deputy-involved shootings.

These complex and time-sensitive cases require a vast array of knowledge, experience, and decisiveness to resolve. Major Crimes utilizes a collaborative framework to proactively, yet efficiently and expeditiously, solve cases, and ensure successful prosecution through the State Attorney’s Office. Detectives in this unit provide seven days a week, twenty–four hour a day coverage to the citizens of St. Johns County.

Special Victims (SVU) is managed by LT Jeremy Russell and is supervised by SGT Tommy Marmo. SVU detectives investigate sexual battery complaints, domestic violence cases, stalking, and injunction violations. They work closely with the Department of Children and Families, the Child Protection Team, the Betty Griffin House, and the State Attorney’s Office. SVU relies on these relationships to provide services for people who have been victimized. Detectives in the Special Victims Unit routinely investigate some of the most heinous crimes imaginable. These dedicated detectives have all volunteered for this position and are considered experts in their field. SVU detectives are relied upon to keep some of our most vulnerable populations safe.

Sexual Predator/Offender Tracking (SPOT) members are responsible for, but not limited to:

  • Ensuring registered offenders and predators maintain compliance with their unique statutory requirements
  • Community notifications
  • Address verification operations
  • Conducting criminal investigations in reference to suspected registration violations
  • Conducting surveillance operations

If you have questions or would like to share information about offenders or predators in St. Johns County, contact SPOT at

Victims of crime always need the support of their families and friends to help them deal with the trauma of victimization. Sometimes this support is not sufficient, or additional help or information is needed. Victim and Witness assistance is available to any citizen of St. Johns County or any victim or witness of a violent crime committed within the county. Please call (904) 209-1577 to speak to an SJSO victim advocate

Intelligence is managed by LT Ryan Smith and is supervised by SGT Chris Collins. Intelligence strives to continually examine and implement crime prevention and crime reduction strategies in order to most effectively maintain and enhance the safety and quality of life for the residents of St. Johns County. The Unit consists of civilian analysts, financial crimes detectives, a US Marshal Regional Fugitive Task Force Detective, an FBI Joint Terrorism Task Force Detective, and the Crime Stoppers Program.

Financial Crimes detectives are tasked with investigating the most difficult financial cases our agency receives. The detectives assigned to financial crimes are highly specialized and investigate cases of counterfeiting, credit card scams, exploitation of the elderly or disabled, contractor fraud, embezzlement, and identity theft cases.  The focus of Financial Crimes is to investigate complex and significant cases, which oftentimes requires weeks or months to bring to fruition.  

Crime Stoppers encourages members of the community to assist local law enforcement agencies in the fight against crime by providing anonymous information regarding crimes and criminals in our community. To submit a tip, call 1-888-277-TIPS (8477) 24 hours a day.


Forensic Evidence is managed by Manager Angie Hosford and includes the evidence room, digital forensics, and crime scene. Forensics also includes latent print processing, and examination, DNA screening, is responsible for the critical tasks of evidence intake and maintaining the security of all evidence until it is needed for court, or disposed of upon receipt of court orders for destruction.