The FBI is investigating the mysterious death of a teenage girl whose body was found on a Carnival cruise ship this month, and the focus is on one of her step siblings, according to a court filing obtained by the Miami Herald.

The former Costa Magica (and current Goddess of the Night) has been sold to the China-based Tianjin Orient International Cruises.

A cruise ship that departed Nov. 15 from Galveston hit a snag Wednesday in Cozumel, Mexico. While docked in the beachy Caribbean port, one of the lifeboats of the Carnival Dream plopped right into the water and floated off.

BREVARD COUNTY, Fla. — New court filings are shedding light on the investigation into the death of Anna Kepner, a high school senior whose body was found on a Carnival cruise ship.

New court records and investigative details are shedding further light on the mysterious death of 18-year-old Anna Kepner aboard the Carnival Horizon,<a class="excerpt-read-more" href=" More

Anna Kepner, 18, was on a family vacation aboard the Carnival Horizon with her father, stepmother, and three stepsiblings when she was discovered dead.

Carnival Horizon has developed propulsion difficulties and will be delayed back to Miami on Sunday, impacting her next sailing.

Newly released information is shedding more light on the mysterious death of 18-year-old Anna Kepner as a court filing confirms the FBI<a class="excerpt-read-more" href=" More

A new court filing has revealed more about the death of an 18-year-old Florida girl aboard a Carnival cruise ship, and the ongoing investigation into the matter.