Terrence McCauley discusses his approach to writing different genres and the importance of research in his work. He emphasizes the need for accuracy when writing historical settings and the significance of accurate details in engaging readers. McCauley also shares his research process for technology and World War I, highlighting the brutality and innovation of the war. He discusses finding inspiration in research and his upcoming project on the JFK assassination. McCauley reveals the original plot to assassinate JFK and his plans to write a trilogy on the subject.