Death of Florida Teen on Cruise Ship Ruled Homicide; Stepbrother Under Investigation
The death of 18-year-old Anna Kepner aboard the Carnival Horizon has been ruled a homicide by mechanical asphyxia, with her 16-year-old stepbrother identified as a suspect in the ongoing FBI investigation.
The death of 18-year-old Anna Kepner aboard the Carnival Horizon cruise ship has been officially ruled a homicide caused by mechanical asphyxia, according to a death certificate issued on November 24, 2025. The document indicates that Kepner was "mechanically asphyxiated by other person(s)" on November 6.
Kepner, a high school senior from Titusville, Florida, was found deceased under a bed in her stateroom on November 8, wrapped in a blanket and concealed by life vests. She was on a family vacation with her father, stepmother, and three stepsiblings.
Court documents from a custody dispute have identified Kepner's 16-year-old stepbrother, referred to as "T.H.," as a suspect in the case. Both parents acknowledged in these filings that their son is under FBI investigation concerning Kepner's death.
The FBI has not publicly commented on the investigation. The Miami-Dade medical examiner's office has yet to release the final autopsy and toxicology reports.
Kepner's family and community remember her as a vibrant and ambitious young woman who had recently completed tests to join the military and was set to graduate in the spring.
Carnival Cruise Line has stated that it is cooperating fully with federal authorities and focusing on supporting the family during this time.
Source
The GuardianFact-checking
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