VERO BEACH, Fla. —
A St. Lucie County Sheriff’s Office deputy was arrested on allegations of driving while impaired.
The St. Lucie County Sheriff’s Office announced on Monday, Oct. 26, that Detective Tyler A. Horstman turned himself in to the Indian River County jail on Monday afternoon.
Jail records indicate Horstman is facing a charge of DUI causing serious bodily injury to another.

St. Lucie County Sheriff’s Office
Detective Tyler A. Horstman, a St. Lucie County Sheriff’s Office deputy, was arrested on Monday, October 26, 2026, on DUI charges following a March traffic crash in Vero Beach.

“Our responsibility to uphold the law comes with an expectation that we follow it ourselves. When an employee is accused of violating that responsibility, we must address it fairly and hold them accountable through the appropriate process,” St. Lucie County Sheriff Richard R. Del Toro Jr. said in a statement on Monday. “The men and women of this agency work every day to earn the trust of our community, and we will continue to hold ourselves to the standards that trust requires.”
The St. Lucie County Sheriff’s Office said in a news release that on March 2, Horstman was involved in an off-duty traffic crash in Vero Beach while operating a St. Lucie County Sheriff’s Office vehicle.
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The Vero Beach Police Department led the criminal investigation.
On Sept. 9, the St. Lucie County Sheriff’s Office said it was informed that the blood test for Horstman indicated a blood alcohol concentration of 0.246. In Florida, the blood alcohol content limit is 0.08.
At that point, the sheriff’s office said in a news release that Sheriff Del Toro Jr. immediately authorized an administrative investigation and placed Horstman on paid administrative leave on Sept. 15th.
The sheriff’s office said on Monday, it was notified that a felony arrest warrant was issued for driving under the influence – impairment – blood or breath alcohol level of 0.15 or more – serious personal injury.
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According to Indian River County jail records, Horstman is out of jail after posting $15,000 bond on Monday evening.