New details about Florida cheerleader Anna Kepner’s troubled family life have been revealed, as her 16-year-old stepbrother was labeled a “suspect” in her killing, according to court filings.

Kepner’s stepmother Shauntel Hudson accused her ex-husband Thomas of domestic and physical abuse against their two youngest children — including the boy who is now being questioned by the FBI in Kepner’s death, according to an emergency motion filed in court on Monday and seen by The Post.

Anna Kepner, 18, was reported dead while aboard the Carnival Horizon cruise ship on November 8, 2025. Instagram/@anna.kepner16

The stepbrother remains in the care of one of his mother’s relatives as the investigation into the teen’s death on board a Carnival Cruise ship continues, according to the legal filing

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