# Sonoma County 1983 Cold Case Sexual Assault, Murder Solved

Page: https://stenobird.com/podcast/forensic-files-unsealed-6989771/sonoma-county-1983-cold-case-sexual-assault-murder-solved
Text version: https://stenobird.com/podcast/forensic-files-unsealed-6989771/sonoma-county-1983-cold-case-sexual-assault-murder-solved.md
Podcast: [Forensic Files Unsealed](https://stenobird.com/podcast/forensic-files-unsealed-6989771)
Published: 2026-09-16T20:36:54+00:00
Episode link: https://www.spreaker.com/episode/sonoma-county-1983-cold-case-sexual-assault-murder-solved--75174204
Audio file: https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/75174204/dna_tracks_1983_killer_to_el_salvador.mp3
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Duration seconds: 2364

## Resource

Law enforcement officials in Sonoma County recently announced the resolution of a cold case involving the 1983 murder and sexual assault of Robert Pangborn. Utilizing modern DNA technology, investigators identified Oscar Bolanos as the perpetrator after matching evidence to a profile in a criminal database. Although Bolanos had been deported to El Salvador following a different conviction in the 1990s, federal and international agencies successfully tracked him to his home country. Local prosecutors secured an arrest warrant, but the suspect passed away from cancer before he could be extradited or stand trial. Despite the lack of a formal conviction, authorities have officially closed the investigation, concluding that the forensic evidence definitively linked Bolanos to the decades-old crime. This breakthrough provides a sense of closure for a case that remained unsolved for over forty years. This episode includes AI-generated content.

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