Discover the real-life inspirations behind history's most infamous serial killers: John Wayne Gacy, Jeffrey Dahmer, Charles Manson, and so many more. Gothic media moguls Kelly Florence and Meg Hafdahl, authors of The Science of Monsters, The Science of Women in Horror, and The Science of Stephen King, and co-hosts of the Horror Rewind podcast called "the best horror film podcast out there" by Film Daddy,...