The conspirators were hanged for 'high treason'.
He is guilty of 'treason'.
(..) two days, so... Did he say anything before he left? Yeah, he had to figure some stuff out with his father. He kinda committed treason... On our way out. Oh. ODIN: You once said there would never be a wiser king than me. The Alignment has brought (..)2013 Thor: The Dark World
(..) to notify him of crimes against the throne. You called me here on an urgent matter. What is it? Treason, my lord. Whose? Mine. TYR: My king! The mortal has been taken. ODIN: Stop Thor. (..)2013 Thor: The Dark World