FORT MILL, S.C. — Fort Mill police have arrested two teenage males—including one just 13 years old— in connection with a homicide that occurred more than a week earlier.
The Incident
On the night of Thursday, August 28, 2025, officers were dispatched to Steele Street Park around 10:30 p.m., responding to reports of gunfire. Once on the scene, they discovered 21‑year‑old Johnny Wayne Martin Cook, a Chester resident, suffering from a gunshot wound. Cook was pronounced dead at the scene. Authorities indicated there was no known threat to the community at the time.
Homicide Investigation Underway After Man Found Dead in Fort Mill Park
Arrests and Charges
On Tuesday, September 9, 2025, law enforcement announced the arrest of:
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Jalen Daquavious Thames, 18, of Rock Hill
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A 13‑year‑old male (name withheld due to age)
Both teens face multiple felony charges, including:
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Murder
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Criminal conspiracy
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Armed robbery
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Possession of a weapon during a violent crime
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Possession of a stolen firearm
Ongoing Investigation
The Fort Mill Police Department continues to investigate the circumstances that led to Cook’s death. Officials are urging anyone with relevant information to come forward. Tips can be provided by contacting:
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Fort Mill Police Department at 803‑548‑9368
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Crime Stoppers of York County at 877‑409‑4321 or via their website
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Thomas Hyslip lives in Tega Cay with his wife and daughter. After 27 years in the U.S. Army and Federal Law Enforcement, he retired to pursue his passion for teaching. Tom is now an Assistant Professor of Instruction at the University of South Florida. In 2 short years he has won 10 awards from the South Carolina Press Association, including first place in column writing, education beat reporting and best podcast.
