Marybeth Tinning: Serial Killer Mom

For thirteen years, tragedy followed one suburban New York mother—until the truth finally emerged.

In this chilling episode of Serial Killer Files by Skoob, we uncover the disturbing case of Marybeth Tinning, a woman whose nine children died under mysterious circumstances between 1971 and 1985. Each death was explained away as illness, SIDS, or accident—until one autopsy exposed a horrifying pattern of infanticide.

Through a detailed timeline, psychological analysis, and forensic breakdown, this episode explores how medical blind spots, misplaced trust, and society’s assumptions about motherhood allowed a killer to hide in plain sight for over a decade. We examine the warning signs that were missed, the psychology behind Munchausen syndrome by proxy, and why justice came far too late.

This is not just a story about one woman—but a system that failed nine innocent children.

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Tune in for more thought-provoking true crime stories, deep dives, and cases that stay with you long after the episode ends.

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Episoder(48)

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