At the end of this chaotic world, not to mention unnamed corpses who died in the wild, even in the city of Nanjing, there will always be beggars and swordsmen with unknown causes of death.
All in all, for Zhu Gaoxu with his eyes and hands, there is no shortage of suitable corpses for impostors, and the rest is to deal with the jailer.
Generally speaking, within three days before the execution, if someone died suddenly in prison, it would definitely attract the attention of the Secretary.