(NEXSTAR) – The passenger who died aboard a Carnival cruise ship has been identified by her family as 18-year-old Anna Kepner.

The high school senior was traveling with her family on the Carnival Horizon, a ship that holds nearly 4,000 people and sails to the Caribbean. The ship returned to Miami on Saturday as planned, the company said.

The FBI is investigating Kepner's death and hasn't released any further information. "As in any given matter, if charges are filed, they will eventually become a matter of public record," a spokesperson said.

Kepner was from Titusville, Florida, her family confirmed. They told ABC News that she was set to graduate from high school in the spring and was planning to join the military after graduation.

"When she walked into a room, she would light it up,"

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