The conspirators were hanged for 'high treason'.
He is guilty of 'treason'.
(..) Jon. We should speak with the queen. Hyah! Torgo Nudho. You freed your brother. You committed treason. I freed my brother. And you slaughtered a city. What are you doing here? Hey, what happened? I came to kill Cersei. (..)2019 TvShow: Game of Thrones Title: The Iron Throne Season: 8 Episode 6