In the final episode of the true crime podcast Untested from USA TODAY, Marshawn Curtis goes to trial, accused of serial crimes. Prosecutors have evidence from rape kits, but when it comes to criminal justice, a guilty verdict is never guaranteed - especially in cold cases.

Untested: A true crime podcast is hosted by crime reporter Gina Barton and rooted in investigative journalism from USA TODAY. To get the full season of Untested: A true crime podcast ad-free on Apple Podcasts or Spotify, subscribe at USAToday.supportingcast.fm. Or listen to Untested: A true crime podcast for free by checking out art19.com/shows/untested. For more real crime stories, read our investigative reporting into the problem of untested rape kits at USAToday.com/rapekits.

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