Christopher Kepner, father of Anna Kepner, who died on a cruise, will now be required to appear in court on Dec. 5. No reason was given for why.

FBI investigates 18-year-old cheerleader Anna Kepner's homicide aboard Carnival Horizon cruise ship, with stepbrother sharing cabin where body was found.

The grandmother of Anna Kepner says her stepbrother “had demons,” even before he became a suspect in the 18-year-old’s death aboard a Carnival cruise earlier this month.

The family of 18-year-old Anna Kepner has spoken of their shock and pain on finding her dead in her room aboard a luxury cruise ship earlier this month. “We were looking forward to seeing her grow,” her grandfather, Jeffrey Kepner, told ABC News in an interview Monday.

Anna Kepner, an 18-year-old high school senior and cheerleader, was found dead on a Carnival cruise ship during a family vacation in November.

The 18-year-old cheerleader from Titusville, Florida, was reported dead while aboard the Carnival Horizon cruise ship on Nov. 8.

Anna Kepner was found dead on a Carnival cruise ship earlier this month. While law enforcement did not initially open the case as a homicide, paperwork found in seemingly unrelated divorce proceedings reveal the FBI may be looking into Kepner's stepbrother as a suspect.

Two weeks after cheerleader Anna Kepner found dead on Carnival Horizon cruise ship, FBI continues investigation with no official cause of death.