# One Toothbrush, One DNA Match, One Killer Exposed

Page: https://stenobird.com/podcast/forensic-files-unsealed-6989771/one-toothbrush-one-dna-match-one-killer-exposed
Text version: https://stenobird.com/podcast/forensic-files-unsealed-6989771/one-toothbrush-one-dna-match-one-killer-exposed.md
Podcast: [Forensic Files Unsealed](https://stenobird.com/podcast/forensic-files-unsealed-6989771)
Published: 2026-09-05T02:56:39+00:00
Episode link: https://www.spreaker.com/episode/one-toothbrush-one-dna-match-one-killer-exposed--74918509
Audio file: https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/74918509/utf_8_q_dna_5ftraps_5flisa_5fziegert_e2_80_99s_5fkiller_m4a.mp3
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JSON: https://stenobird.com/v1/public/podcasts/forensic-files-unsealed-6989771/episodes/one-toothbrush-one-dna-match-one-killer-exposed
Duration seconds: 2194

## Resource

The episode details the tragic 1991 abduction and murder of Lisa Ziegert, a young teacher’s assistant who disappeared from her evening shift at a Massachusetts gift shop. Though her remains were discovered days later, the case remained unsolved for over two decades despite an early tip regarding a local man named Gary Shara. The investigation finally gained momentum in 2016 through the use of DNA phenotyping technology, which allowed authorities to create a digital profile of the killer. This breakthrough led police to Shara, who eventually fled and attempted suicide before leaving behind a written confession. He was officially linked to the crime through a DNA match from his toothbrush and was subsequently sentenced to life in prison. This overview highlights the persistence of law enforcement and the evolution of forensic science in bringing closure to a cold case that haunted a small community for twenty-five years. This episode includes AI-generated content.

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## Transcript

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