In these cases, emerging DNA evidence and the smell of death (yes, really) pushed the boundaries of what was technologically possible. But how reliable are they? To find out, we go to a body farm and talk to Assoc. Prof. Joan Bytheway, Asst. Prof. Sheree Hughes-Stamm, Matt Young, Dr. Arpad Vass, and Asst. Prof. Donovan Haines. Our Sponsors Lenovo – See how Lenovo is revolutionizing data center technology. Modcloth - Enter promo code SCIENCEVS at checkout to get $20 off an order of $100 or more! Squarespace – The easiest way to create a beautiful website, portfolio or online store. Use the offer code “SCIENCE VS” to get 10% off your first purchase. Wealthsimple – Investing made easy. Get your first $10,000 managed for free. Credits This episode has been produced by Wendy Zukerman, Shruti Ravindran, Diane Wu,and Heather Rogers. Our senior producer is Kaitlyn Sawrey. Edited by Annie-Rose Strasser and Caitlin Kenney. Fact checking by Michelle Harris. Thanks to Joseph Lavelle Wilson, Will Doolan and Beth McMullen. Sound design and music production by Matthew Boll, mixed by Martin Peralta and Matthew Boll Music written by Bobby Lord. Selected References 2009 National Academy of Sciences and 2016 President’s Council of Advisors on Science and Technology reports on forensic science. How DNA is transferred in trace evidence. Report on error rates in DNA forensic analysis. Study that showed dogs could pick up the smell of a corpse 667 days later. Call to arms on improving forensic science: editorial. Scent of death - Belgian paper that found three out of four of Dr Arpad Vass' “human specific markers” in other animals. Learn more about your ad choices. Visit podcastchoices.com/adchoices