Florida Teen Charged as Adult Over Stepsister's Murder on Cruise Ship

52 articles · Updated · Department of Justice · Apr 13

A 16-year-old boy has been charged as an adult with murder and aggravated sexual abuse in the death of his 18-year-old stepsister, Anna Kepner, aboard a Carnival cruise ship.
Kepner was found dead from mechanical asphyxiation in November 2025, her body concealed under a bed in their shared cabin during a family vacation.
The case is being prosecuted federally due to the crime occurring in international waters, and the accused faces a potential life sentence if convicted.

What factors led to the crucial decision to prosecute a 16-year-old as an adult?

How does federal jurisdiction complicate justice for victims on international waters?

With a life sentence possible, what avenues for appeal remain for the defendant?

What immediate cruise ship safety changes resulted from this international incident?

How did forensic evidence confirm homicidal strangulation and body concealment?

Beyond the charges, what underlying family dynamics might have tragically unraveled?