Tutankhamun's mummy
Detective Michael R. King and FBI profiler Gregory M. Cooper came together with an actual Egyptologist to form their own theory which was that Tutankhamun was murdered. With the use of forensic evidence and their extensive backgrounds in criminology, they came to the conclusion that he was likely murdered by one of his closest advisors, Ay. Ay did succeed Tutankhamun on the throne, so they used that as the motivation for the murder.
Mask of Tutankhamun
Thy right eye is the night bark (of the sun-god), thy left eye is the day-bark, thy eyebrows are (those of) the Ennead of the Gods, thy forehead is (that of) Anubis, the nape of thy neck is (that of) Horus, thy locks of hair are (those of) Ptah-Sokar. (Thou art) in front of the Osiris (Tutankhamun). He sees thanks to thee, thou guidest him to the goodly ways, thou smitest for him the confederates of Seth so that he may overthrow thine enemies before the Ennead of the Gods in the great Castle of the Prince, which is in Heliopolis … the Osiris, the King of Upper Egypt Nebkheperure [Tutankhamun's throne-name], deceased, given life by Re".