Why do ghost hunters investigate in the dark? September 27, 2022September 5, 2016 by Cody Polston So why do ghost hunters investigate in the dark? Does it really make sense? Related posts:The 10 Biggest mistakes made by ghost huntersThe “anecdotal evidence is invalid” argument.How do you investigate a haunting? (Slides from Presentation)Sir William Crookes (1832 – 1919): Paranormal Investigators of the Past