Anna Kepner, 18, from Titusville, was found dead of asphyxiation under a bed on a Carnival cruise ship

Anna Kepner, 18, from Titusville, was found dead of asphyxiation under a bed on a Carnival cruise ship

Anna Kepner's 16-year-old stepbrother is a suspect in her strangulation death after her body was found on a Carnival Horizon cruise ship on Nov. 8.

Anna Kepner, 18, from Titusville, was found dead of asphyxiation under a bed on a Carnival cruise ship