Decades after Ronald Vonderheide seemingly vanished without a trace, detectives are using DNA databases to try to track him down. They say their evidence shows he's no longer alive... and may have been the victim of foul play. 

But Vonderheide's mother has a different theory. 

In this episode of Season Two of Cincinnati's Crime Vault: Beyond the Broadcast, Investigative Reporter and TV News Anchor Jessica Schmidt sits down with the detective who has worked this cold case to talk about what happened the day Vonderheide vanished, what they have done to advance the investigation, and break down what we know about Vonderheide's life at the time.

Cincinnati's Crime Vault is an award-winning news series on FOX19 Now. This audio podcast will take the stories featured in the news beyond the broadcast.