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.
Henry Vollam Morton
In 1923 Morton reported on the opening of the tomb of Tutankhamun after out-manoeuvering the official "Times" journalist who had been given exclusive rights to the story. A day after the opening of the inner burial chamber containing the sarcophagus of Tutankhamun the discovery was reported in the "Daily Express":