The killer in the murder mystery "A Brief History of the Potter Diamond" is revealed to be the character of Professor James Moriarty. He manipulated events to cover his tracks and frame others for the murder in order to protect his illegal activities related to the Potter Diamond.
comedy/crime/mystery
a twisted killer
Rose Ames
American Justice - 1992 Dahmer Mystery of a Serial Killer was released on: USA: 10 November 1993
Juanita Sheridan has written: 'The Waikiki Widow (Rue Morgue Vintage Mystery)' 'The Kahuna Killer (Rue Morgue Vintage Mystery)' 'The Waikiki widow' 'The Kahuna killer'
A Nero Wolfe Mystery - 2000 Cop Killer 2-15 was released on: USA: 11 August 2002
Mystery Science Theater 3000 - 1988 The Killer Shrews 5-7 was released on: USA: 25 July 1992
Mal Conntint, the corrupt financier, is the murderer.
This question requires a subjective answer. The deadliest killer in human history was the Black Plague which wiped out millions of people in Europe.
He was known as The Whitechapel Killer until a letter arrived in which he signed his name as Jack The Ripper. If nothing else, he seemed to have a flair for the dramatic. The name was more appropriate then anyone could have guessed at the time. The combination of an unsolved mystery, his gruesom crimes and that unique name has made this killer the most well-known serial killer in history.
In "The Champagne Murders" by Inspector McClue, the killer is revealed to be Sebastian Talbot. He murdered Sir Eustace Vickers in order to inherit his fortune.
The stolen diamond secretly worn by Jendari Saphra is called the Eye of Wrath. It is a legendary gem with a mysterious past, and its possession by Saphra raises questions about her affiliation with the off-killer secret society.