The Yosemite Murders
Dennis McDougal
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Unforgotten Casebook — One case. Every angle. One place.1999 · California, United States
The story behind The Yosemite Murders

Photographs are cropped to fit. Photo dates and original images are available through the source credits.
Carole Sund, her teenage daughter Juli, and family friend Silvina Pelosso disappeared during a Yosemite-area trip in 1999 and were found murdered. The later killing of park naturalist Joie Armstrong led investigators to Cary Stayner, a motel worker. Stayner was convicted in the killings that had frightened visitors and devastated four families.
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Dennis McDougal
A book-length account for readers who want more detail.
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Dennis McDougal
A reported account of the 1999 killings and the investigation. The publisher lists editions and available formats.
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Nonfiction screen coverage of this case. The linked page identifies the program or episode; playback, subscriptions, and regional availability vary.
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IMDb · TV episode
IMDb episode reference connected to the The Yosemite murders case. Listed release: 2018. Cast, credits, and title information; viewing availability is separate.
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IMDb · TV episode
IMDb episode reference connected to the The Yosemite murders case. Listed release: 2003. Cast, credits, and title information; viewing availability is separate.
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ABC · 2019 catalog, Episode 3 · Listed air date 2019-01-25
Includes coverage of The Yosemite murders.
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Episode data: TVmaze · CC BY-SA 4.0
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An audiobook edition has not been confirmed for this case yet. You can check the audiobook catalog or explore the case’s podcasts.
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Dennis McDougal
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Scripted stories and fictional inspirations. Scenes, characters, and dialogue can differ from the record.
No verified fictional adaptation or inspiration has been identified in this collection. Nonfiction coverage is listed in the other media sections.
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Audio episodes and oral histories. Personal recollections are attributed perspectives; some services require sign-in.
Criminology
Podcast coverage of the The Yosemite murders case. Released March 2, 2025. About 62 minutes.
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True Crime All The Time
Podcast coverage of the The Yosemite murders case. Released June 18, 2017. About 85 minutes.
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Rotten Mango
Podcast coverage of the The Yosemite murders case. Released May 12, 2021. About 130 minutes.
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Mile Higher
Podcast coverage of the The Yosemite murders case. Released May 11, 2022. About 70 minutes.
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Residue: A True Crime Podcast
Podcast coverage of the The Yosemite murders case. Released May 5, 2026. About 49 minutes.
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The Killafornia Dreaming Podcast
Podcast coverage of the The Yosemite murders case. Released August 19, 2018. About 102 minutes.
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This Is Monsters
Podcast coverage of the The Yosemite murders case. Released April 18, 2021. About 15 minutes.
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California True Crime
Podcast coverage of the The Yosemite murders case. Released October 21, 2019. About 61 minutes.
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The Casual Criminalist
Podcast coverage of the The Yosemite murders case. Released July 2, 2026. About 52 minutes.
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True Crime Campfire
Podcast coverage of the The Yosemite murders case. Released November 29, 2024. About 55 minutes.
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True Crime Campfire
Podcast coverage of the The Yosemite murders case. Released December 6, 2024. About 55 minutes.
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Murder In America
Podcast coverage of the The Yosemite murders case. Released December 15, 2023. About 93 minutes.
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The Opperman Report'
Podcast coverage of the The Yosemite murders case. Released August 27, 2026. About 60 minutes.
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Cousins on Crime
Podcast coverage of the The Yosemite murders case. Released July 10, 2024. About 33 minutes.
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Rotten Mango · Stephanie Soo
Episode 63 discusses The Yosemite murders. The official episode page identifies this case and provides the show’s listening options. Contains descriptions of violence; this is podcast commentary, not a court record.
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Google Books · Catalog / Availability
Related book record. Google may offer selected pages or another edition; full-book access is not confirmed.
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Google Books · Catalog / Availability
Related book record. Google may offer selected pages or another edition; full-book access is not confirmed.
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Everand · Subscription Access
Dennis McDougal. Related reading for The Yosemite murders. Check the current subscription terms and available sample; trial offers are not permanent free access.
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Search reviewed 2026-09-16. Sources searched: Google Books, Internet Archive, Open Library, Library of Congress, Smithsonian Magazine, The Atavist Magazine, Google Books (case/title search), Scribd, Everand, OverDrive and hoopla (combined title search). Search indexing is incomplete; this is not an exhaustive list of the web. Access can change by edition, country and library membership. Library loans may require sign-in or a wait. Everand titles may need a paid subscription; a trial is not permanent free access. Scribd documents are third-party uploads, with uploader details noted where checked. We link to source pages and write our own descriptions rather than reproducing copyrighted books.
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San Francisco Chronicle
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Featured newspaper clipping
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The San Francisco Examiner · 1999-07-26 · Page 12
The newspaper reports federal charges in Joie Armstrong’s killing and investigators’ suspicions about three earlier deaths.
A continuation article published before the trials; contains graphic detail.
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Library records and preserved media. A catalog listing does not guarantee full reading or playback.
Internet Archive · Library record · 2015
Rosewood, Jack, author. A library catalog record for a book connected with The Yosemite murders. The record may offer a preview or borrowing options; full reading access is not guaranteed.
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Internet Archive · TV News Archive
The archive indexes this broadcast under Cary Stayner. It may contain several stories; use any available captions or previews to locate the relevant segment. Full playback may be restricted.
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Documents are labeled by type and scope. Allegations in filings are not findings of guilt. This collection is not the complete case file.
The state supreme court’s review of Cary Stayner’s prosecution for the Yosemite-area murders of Carole Sund, Juli Sund, and Silvina Pelosso.
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Social Media
14 itemsAbout these sources
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Absolute Crime
How Cary Stayner Became The Yosemite Park Serial Killer | World's Most Evil Killers | Absolute Crime
Video from Absolute Crime covering the The Yosemite murders case. Length: 43:15.
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True Crime Central
His Motive for Murdering Four Women? Jealousy of his Brother | Cary Stayner, Serial Killer
Video from True Crime Central covering the The Yosemite murders case. Length: 45:53.
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FilmRise True Crime
World's Most Evil Killers - Season 2, Episode 14 - Cary Stayner - Full Episode
Full episode or film as labeled by the publisher from FilmRise True Crime covering the The Yosemite murders case. Length: 43:19.
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True Crime Recaps
Steven & Cary Stayner: Hero vs Killer Brother
Video from True Crime Recaps covering the The Yosemite murders case. Length: 21:11.
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Mile Higher
The Wild Kidnapping Of Steven Stayner & The Case Of His Brother Cary Stayner “The Yosemite Killer”
Video from Mile Higher covering the The Yosemite murders case. Length: 1:14:47.
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FilmRise True Crime
Mugshots: Cary Stayner - The Cedar Lodge Killings
Video from FilmRise True Crime covering the The Yosemite murders case. Length: 9:17.
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Show 8 more social media
CBS News Sacramento
FBI agent recalls how he got Cary Stayner to confess to 1999 Yosemite killings
Video from CBS News Sacramento covering the The Yosemite murders case. Length: 3:08.
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ABC News
20/20 Evil in Eden, Pt 4 – Cary Stayner takes refuge in Yosemite
Video from ABC News covering the The Yosemite murders case. Length: 7:22.
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Real Crime
Yosemite Park Killer: When A Victim Turns Into A Murderer | World’s Most Evil Killers | Real Crime
Video from Real Crime covering the The Yosemite murders case. Length: 43:16.
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Facebook · Creator community
The Killafornia Dreaming Podcast — Facebook group
Linked by this creator in the episode notes for “#058 The Tale of Two Brothers: Steven & Cary Stayner.” This discussion group covers multiple cases. The matching case episode is linked below. Group rules or membership approval may limit access.
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Facebook · Creator channel
The Killafornia Dreaming Podcast — Facebook page
Linked by this creator in the episode notes for “#058 The Tale of Two Brothers: Steven & Cary Stayner.” This creator channel covers multiple cases. The matching case episode is linked below. The platform may ask you to sign in.
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Facebook · Creator channel
California True Crime — Facebook page
Linked by this creator in the episode notes for “Cary Stayner Pt. 1.” This creator channel covers multiple cases. The matching case episode is linked below. The platform may ask you to sign in.
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Facebook · Creator community
Murder In America — Facebook group
Linked by this creator in the episode notes for “EP. 137 CALIFORNIA - THE YOSEMITE SERIAL KILLER: Cary Stayner.” This discussion group covers multiple cases. The matching case episode is linked below. Group rules or membership approval may limit access.
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Facebook · Creator channel
Murder In America — Facebook page
Linked by this creator in the episode notes for “EP. 137 CALIFORNIA - THE YOSEMITE SERIAL KILLER: Cary Stayner.” This creator channel covers multiple cases. The matching case episode is linked below. The platform may ask you to sign in.
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