The conspirators were hanged for 'high treason'.
He is guilty of 'treason'.
(..) Our good King Robert is dead. - Killed from wounds he took in a bull... - You don't have to read it. - I remember. - Father has been charged with treason. He conspired with Robert's brothers against my beloved Joffrey and tried to steal his throne. The Lannisters are treating me well (..)2017 TvShow: Game of Thrones Title: Beyond the Wall Season: 7 Episode 6