NEED TO KNOW

Anna Kepner was found deceased aboard the Carnival Horizon while on a family vacation

No persons of interest have been named; court filings in an unrelated child custody matter claim Kepner's 16-year-old stepbrother may be a suspect in the case

Anna's father Christopher Kepner says he will fight for justice for his daughter

The family of Anna Kepner , who died on Nov. 6 while on a cruise, says they will celebrate Thanksgiving a little different this year, while honoring the slain teen's presence among them.

Christopher Kepner was with his daughter Anna aboard the Carnival Horizon where she was found dead by a housekeeper on Nov. 7.

A medical examiner has since determined the Titusville, Fla. teen was "mechanically asphyxiated ," according to ABC News.

Christopher,

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