He terrorized women. He slipped through the cracks. But one detective refused to give up on dozens of unsolved cases. Untested, a podcast series rooted in investigative journalism from WITNESS and USA TODAY, brings listeners along on this detective’s quest to use untested rape kits to bring an alleged serial rapist to justice.

Binge the entire season for free starting Sept. 3 by tapping the follow or subscribe button on this page. To get the full season without ads on Apple Podcasts or Spotify, subscribe at USAToday.supportingcast.fm. Read our investigation into the problem of untested rape kits at USAToday.com/rapekits. 

Untested is reported, written and produced by Gina Barton. Our executive producer and audio engineer is Austin Fast. Additional reporting comes from Tricia Nadolny, Nick Penzenstadler, Jayme Fraser and Dian Zhang. Our editor is Romina Ruiz-Goiriena. The role of Joslyn Phillips is read by Erin Cavender. Our theme music is by Evan Johnson. Special thanks to Annie Harrison, Emily Zaballos, Aylysh Gallagher, Kelli Werner, Patricia Ceresa, Sara Tunney, Bill Schulz, Doug Caruso, Amy Pyle and Josh Susong.