Perry and Dick are both put into jail, while in his cell Perry writes in his journal that he admits to killing the whole family. They hear on the radio that they might be given the death penalty.
When they go to court as planned, they both got sentenced with the death penalty. They are sentenced to 5 years of jail time until they will be hanged for their murders.
Finally after 6 years of the murder of the Clutter family, Perry Smith and Dick Hickock are hanged for the crime they committed. Right before Perry is hanged he tells them that he is sorry for what he has done.