Hillsborough County
Chad Chronister, Sheriff
  • Thomas St. John

    Major

    Major St. John began his career in law enforcement in 1993, serving as a deputy with the Pasco County Sheriff’s Office before joining the Hillsborough County Sheriff’s office in 1994.

    Major St. John has held numerous positions throughout his career, most of which were in covert and latent investigative capacities. He has been assigned to positions with street crimes, economic crimes, and special investigations.

    Major St. John has been a Field Training supervisor, Intelligence Unit detective/supervisor, Narcotics Section detective/supervisor, Community Outreach Division supervisor, and Professional Standards Section supervisor.

    Major St. John holds a Bachelor of Arts degree from Saint Leo University. He also serves on the executive board for HCSO Charities Inc. and is a board member for More Health Inc. A Massachusetts native and resident of Hillsborough county since 1981, he is married with four children.

  • Sheriff Chad Chronister
    Sheriff Chad Chronister
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    • Traffic Fatality
    • 6/15/2019 - The Hillsborough County Sheriff's Office is investigating a traffic fatality in which a child was killed on Friday evening.
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    • Missing Runaway Teen
    • 6/15/2019 - The Hillsborough County Sheriff’s Office is working to located 17-year-old Mariana Martinez who left her home on June 15.
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