Major Petri Hayes

Department of Detention

Major Hayes Commands the Department of Detention that includes:

  • Accreditation
  • Chaplain
  • Emergency Response Team
  • Work Unit
  • Administrative Division
    • Administrative Support Section
      • Contract Management/Food Services
      • Contract Management/Media Services
      • Facility Support Unit
      • Inmate Services Unit
      • Transport Unit
    • Inmate Management Section
      • Classification Unit
      • Contract Management/Medical
      • Court Services Unit
      • Intake and Release Unit
    • Investigation Unit
    • Supply Unit
  • Operations Division
Photo of Captain Petri Hayes


Petri Hayes was born and raised in Gary, Indiana. He graduated high school from William A. Wirt High School in Gary in 1993, and completed his Bachelor of Science Degree in Criminal Justice from Indiana University in June of 1999. In 2000, he completed a graduate certificate in Public and Environmental Affairs, also from Indiana University.

Petri served with the Indiana Department of Corrections from 1998 to 2008 in several positions including Corrections Officer, Correctional Counselor, Parole Officer, Drill Instructor, Lieutenant Commander and Correctional Lieutenant.

After relocating to Florida, Petri completed the Florida Corrections Officer Proficiency Course through Indian River State College and became a Florida certified corrections officer in June of 2009. In July 2019, Petri completed the Florida Sheriff’s Association’s Commanders Academy, Class 9.

Petri joined the St. Lucie County Sheriff’s Office in October 2009 as a detention deputy and was promoted to the rank of Sergeant in February of 2013. In December 2017, Petri was promoted to the rank of Lieutenant.

Throughout his time with the agency, Petri has been assigned to general population and booking, has served as a department of detention field training officer, worked as a member of the agency’s Gang Intelligence Task Force, serves as Commander of the jail’s Emergency Response Team and even worked to develop a physical fitness training course for members of the ERT team.

His service extends outside the agency as well through his tireless work organizing and coaching basketball camps and leagues for youth in our community. 

In fact, Petri’s leadership in this area, coupled with other deputies in our School Resource Unit, has led to a highly successful basketball camps over the past three summers.

Petri also serves as an adjunct instructor in defensive tactics, specialized advanced training and the basic Corrections recruit academy at Indian River State College.