A 16-year-old boy has been charged with murder and aggravated sexual abuse in Florida in the death of his 18-year-old stepsister on a Carnival Cruise ship, the U.S. Justice Department said Monday.

Timothy Hudson was indicted on March 10. But the entire case was sealed until Friday, weeks after U.S. District Judge Beth Bloom said he would be prosecuted as an adult at the request of prosecutors.

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Anna Kepner had been traveling on the Carnival Horizon ship in November with her family. Before the ship was scheduled to return to Florida, her body was found concealed under a bed in a room she was sharing with two other teens, including the........

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