I love True crime shows and books! Do you?
yes, true crime are non-fiction literary and film genre in which the author examines an actual crime 
Yes! Something about those kinds of shows, books, whatever, really intrigues me. I know I'm not the only one, as true crime shows are very popular.
yes, it  commonly include murder, with tales of serial killers dominating the genre
Definitely. I've read about many different serial killers like Dahmer, Gacy and the like.
serial killer is a  person who murders three or more people, they have wicked hearth
Yes they do, very wicked hearts. Some of them never even get caught. I know this because of all the true crime shows I've watched.
Serial killer
A serial killer is typically a person who murders three or more people, usually in service of abnormal psychological gratification, with the murders taking place over more than a month and including a significant period of time between them. Different authorities apply different criteria when designating serial killers. For example, while most authorities set a threshold of three murders, others extend it to four or lessen it to two. The Federal Bureau of Investigation (FBI) defines serial killing as "a series of two or more murders,
True crime
True crime is a non-fiction literary and film genre in which the author examines an actual crime and details the actions of real people.
The crimes most commonly include murder; about 40% focus on tales of serial killers. True crime comes in many forms, such as books, films, podcasts, and television shows. Many works in this genre recount high-profile, sensational crimes such as the JonBenét Ramsey killing, the O. J. Simpson murder case, and the Pamela Smart murder, while