The Silent Ampoule: How a Forgotten Note Exposed a Murder in 1937

The Silent Ampoule: How a Forgotten Note Exposed a Murder in 1937

A sealed glass ampoule of pale amber morphine sat in a discarded glass of water beside a dead woman in a 91-degree canvas dormitory tent-an object untouched by the county surveyor and kept three weeks in a desk drawer. What a seven-line undertaker's note, hidden for roughly sixty years, revealed about bruising at an injection site would later turn a certified heat prostration into a deeper mystery: was this death staged or misinterpreted?

In this episode, you will hear how routine actions by ordinary people - a surveyor who would not touch the glass, a camp manager who sealed the ampoule in an envelope, an undertaker who wrote a terse observation - reshaped a case that sat in a Fresno County archive for decades. How did a single line in Stuart Pratt’s notes change the official story of Sharon Underwood’s death?

Person: Sharon Underwood
Date: October 4, 1937
Location: Tulare Basin Agricultural Cooperative seasonal labor camp, four miles south of Ridgecrest Crossing, California
Age: 53
Finding: Ampoule contained morphine sulfate solution, sealed and intact

- The air temperature inside Building D was ninety-one degrees when Russell Dixon entered.
- Sharon Underwood missed her only Thursday shift on October 1 after attending consistently since late July.
- Dr. August Holt spent approximately twelve minutes with the body and signed the death certificate citing heat prostration with cardiac complications.
- Stuart Pratt’s undertaker note dated October 6 recorded “bruising at interior left elbow, consistent with venipuncture, approximately forty-eight to seventy-two hours prior to examination.”
- Laboratory analysis, after the ampoule reached a university lab in Sacramento, took eleven days and identified the contents as medically standard concentration morphine sulfate solution with the seal unbroken.

Tired of ads? Listen to this podcast and 200+ more ad-free on OBOMEDIA.
Try it free for 7 days, cancel anytime: obomedia.com/en/gratis?ref=desc-7194310

© 2026 Created by an independent creator of the OBOMEDIA Network. All rights reserved.
This episode and its content (audio, text, and related materials) are the property of their respective creator, who is solely responsible for them, and are distributed by the OBOMEDIA Network on platforms such as Apple Podcasts, Spotify, Amazon Music, and Pocket Casts. Reproduction, distribution, editing, or commercial use, in whole or in part, without the creator's prior written permission is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.