AI-assisted summary

An 18-year-old high school senior, Anna Marie Kepner, was found dead aboard a Carnival cruise ship.

The FBI is investigating the death, and court documents identify her 16-year-old stepbrother as a suspect.

Kepner's grandparents stated the blended family was very close and the teenagers shared a stateroom.

The grandparents of Titusville teenager opened up about the 18-year-old's death and the subsequent FBI investigation in an interview with that aired Monday, Nov. 24.

school senior, was found dead aboard the Carnival Horizon cruise ship Nov. 7. She had been cruising with her father, stepmother and stepsiblings aboard the ship, which departed from Miami.

The FBI began an investigation into now in its third week. No arrests have been made, although court documents

See Full Page