The Man Beneath the Floorboards (Mark Koster)

For years, Mark Koster was presumed gone—declared dead without a body ever being found. But when his remains surface inside his own home, investigators must unravel how a killer hid in plain sight and how one confession finally exposed the truth behind a death that went unnoticed for years. View source material and photos for this episode at: anatomyofmurder.com/the-man-beneath-the-floorboards Can’t get enough AoM? Find us on social media! Instagram: @aom_podcast | @audiochuck Twitter: @AOM_podcast | @audiochuck Facebook: /listenAOMpod | /audiochuckllc Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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The Man Beneath the Floorboards (Mark Koster) is an episode from Anatomy of Murder by Audiochuck.

This episode is 00:47:31 long.

This episode was published on Jan 20, 2026.

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