The Hillsborough County Sheriff’s Office has charged two people with first-degree murder after conducting separate investigations into fatal fentanyl overdoses.
While the cases are unrelated, they were both investigated by the sheriff’s office’s Opioid Overdose Investigations Section and originate from claims of illegal fentanyl distribution that resulted in a victim’s death.
The initial inquiry began on October 17, 2025, when deputies discovered 34-year-old Kira Rogers dead inside a car in the parking lot of the Community Thrift Store on North Nebraska Avenue. A passerby noticed Rogers in difficulty inside the truck. Detectives discovered drug paraphernalia and fentanyl around her body.
Investigators discovered that Rogers met with 39-year-old Robinson Stlouis on the evening of October 16, 2025, to buy fentanyl.
Later that day, detectives apprehended St. Louis during a traffic stop on unrelated traffic charges, including possession of a controlled substance, operating an unregistered vehicle, driving with a suspended or revoked license, and illegally altering motor vehicle registration plates.
On December 15, 2025, medical examiners determined Rogers died from fentanyl poisoning, with toxicology findings indicating her system had almost eight times a fatal amount. On August 7, 2026, investigators executed an arrest warrant and charged St. Louis with first-degree murder stemming from the unauthorized distribution of a controlled narcotic.
The second inquiry began on December 30, 2025, when deputies responded to a deadly overdose by 22-year-old Olivia Williams at a home on the 9000 block of Hickory Circle in Tampa.
Olivia Williams got what she believed to be oxycodone pills from Haley Williams, 25, according to detectives. Investigators determined that, although sharing a surname, the two women were unrelated.
On December 31, 2025, detectives conducted a drugs operation, found Haley Williams, and arrested her after discovering further contaminated crushed fentanyl tablets on her person.
A search warrant performed at her apartment yielded around 60 grams of crushed fentanyl tablets, a weapon, and drug paraphernalia. Haley Williams was first charged with possession, distribution, and trafficking in fentanyl (28 grams or more).
Olivia Williams died of fentanyl overdose, with fentanyl quantities in her system approximately 14 times greater than a deadly dose. Forensic testing revealed that the pills Haley Williams sold contained no oxycodone and were counterfeit pressed fentanyl pills. On August 6, 2026, detectives arrested Haley Williams and charged her with first-degree murder stemming from the unauthorized trafficking of a prohibited narcotic.
“Fentanyl disguised as legitimate prescription medication is one of the deadliest threats facing our community,” Sheriff Chad Chronister stated. “Whether offered as counterfeit tablets or in its purest form, fentanyl continues to take lives. These two investigations reflect our ongoing dedication to identifying those guilty, creating solid cases, and holding narcotics dealers who cause death fully accountable.”
Both cases remain active.
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