"I enjoy doing the research of nonfiction; that gives me some pleasure, being a detective again"

Joseph Wambaugh's quote talks to the delight of investigating nonfiction. He likens the procedure to being an investigator, which suggests that he finds the process of discovering realities and piecing together a story to be an enjoyable difficulty. This suggests that he enjoys the procedure of looking into and discovering brand-new info. He likely finds the procedure of uncovering the reality to be gratifying and satisfying. The quote also suggests that he delights in the obstacle of investigating nonfiction, as it needs a good deal of effort and commitment to uncover the fact. It is clear that Joseph Wambaugh finds delight in investigating nonfiction and that he enjoys the challenge of being an investigator.