“Detection is, or ought to be, an exact science” [SIGN]    We promised you a science-filled December, and we're keeping that promise. Following our previous episode on the  at the Liberty Science Center in Jersey City, NJ, we're pleased to welcome the crime historian E.J. Wagner to the show.   E.J. wrote the 2007 Edgar Award winner  and was a technical advisor for the Exhibition. We had a chance to sit down with her and talk about the influence of Sherlock Holmes on forensics (and vice versa), the future of crime fiction, and how a crime historian gets her start.   Toward the end of the episode, you'll find the latest Canonical Couplet. See if you can figure out the story we're referring to, and you might win a prize.     Information on sponsors, links, and notes available below.     Please do consider becoming a . Your support helps us to ensure we can keep doing what we do, covering file hosting costs, production, and this year, transcription services.     Sponsors We're proud to feature  as our lead sponsor. They've been with us for nearly the entire run. Please visit their site and let them know you found them via I Hear of Sherlock Everywhere.   Would you care to become a sponsor? We'd love to include you in the show. You can find .     Links This episode:   ( | )  (BSI Press) Many more links, articles and images are available in our Flipboard magazine at  as well as through our accounts on , , and .   Please subscribe on the podcast provider of your choosing: , , , ,  ,  or  — or perhaps another we haven't listed here — and be kind enough to leave a rating and review for the show. And please tell a friend about us, in any fashion you feel comfortable.   Your thoughts on the show? Leave a comment below, send us an email (comment AT ihearofsherlock DOT com), call us at (774) 221-READ (7323).   Transcript We're still looking for your help to reach . That will allow us to fund transcripts of every episode. But we do need you to pitch in — please consider supporting us via  or  for any amount to make this process sustainable!     --