In episode three of the true crime podcast Untested from USA TODAY, Michigan Detective Annie Harrison delves into the background of cold case rape suspect Marshawn Curtis. What she finds is terrifying, and it motivates her to seek overdue justice for victims in unsolved cases.

Untested: A true crime podcast is hosted by crime reporter Gina Barton and rooted in investigative journalism from USA TODAY. UntestedTo 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 investigation into the problem of untested rape kits at USAToday.com/rapekits.

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