The FBI and the Carnival cruise line said that a domestic dispute Tuesday night resulted in the woman 's death , but did not elaborate on how she was killed . Robert McGill , Tuesday , was found dead in her cabin on the Carnival Elation on mid-50s . Husband Robert McGill , in mid-50s , charged with murder on the high seas , Carnival says . FBI and Carnival cruise line said domestic dispute Tuesday night led to death .
Robert McGill , Tuesday , was found dead in her cabin on the Carnival Elation on mid-50s . Husband Robert McGill , in mid-50s , charged with murder on the high seas , Carnival says . FBI and Carnival cruise line said domestic dispute Tuesday night led to death .