The narrator sings about a man who slowly takes control of the world "with a face of an angel and the heart of a beast, " and as the man's promises lead to ruin, Norman's voice becomes increasingly defeated.
Knox, whose pretty face maintained its carefree smile throughout her trial, was the ideal female suspect for an Italian murder - "the face of an angel - but the eyes of a killer, " as one (Italian) commentator described her.
The same luminosity illuminates the Virgin's face, strikes the crystal scepter clutched by the Angel, and dances all over the bejeweled accoutrements he is wearing with such pride.