An epithet is a byname, a characterizing word or phrase that accompanies or occurs in place of the name of a person or thing. Historically, some have been unfortunate- just ask Alfonso the Slobberer or Eystein Foul-Fart.
The “Murder at the Regatta” was a story of jealousy, passion, and some say even madness that shocked and fascinated the nation, and changed the very nature of how murder was seen and prosecuted in the United States.