Certainly going back to Sherlock Holmes we have a tradition of forensic science featured in detective stories.
That was one of the big problems when I was at Harvard studying music. We had to write choral pieces in the style of Brahms or Mendelssohn, which was distressing because in the end you realized how good Brahms is, and how bad you are.
It's about keeping animals in our environment. They can't be on somebody's purse or shoes or something.