Article continues below advertisementAnna Kepner's stepbrother has been indicted by a federal grand jury on murder and sexual assault charges five months after the 18-year-old's tragic death at sea.The late teenager's 16-year-old stepbrother was charged with murder in the first degree and aggravated sexual abuse in connection to Kepner allegedly being killed aboard a Carnival cruise in November 2025. The minor male, identified in court documents only as T.H., will be tried as an adult in the U.S.