Poisoned Dreams: A True Story of Murder, Money, and Family Secrets
A. W. Gray
A book-length account for readers who want more detail.
1991 · Dallas, Texas
Nancy & Richard Lyon
Featured in Fatal Vows
Nancy Dillard Lyon died from arsenic poisoning in Dallas in January 1991. The investigation examined her marriage and the origin of the poison. Her husband Richard was convicted, and the case inspired both a nonfiction book and a television drama.
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The Story
When1991
WhereDallas, Texas
In this collection6 resources
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Fatal Vows — Blood and Wine
Investigation Discovery · Season 1, Episode 2 · Listed air date 2012-11-24
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Blogs & Essays
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Books
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Books
1 itemsA. W. Gray
Poisoned Dreams: A True Story of Murder, Money, and Family Secrets
A nonfiction account of Nancy Lyon’s death and the prosecution, presenting the author’s interpretation of the evidence.
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Movies & TV
Movies
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TV & documentaries
3 itemsAbout these sources
Episodes, documentaries and title listings. Season and episode numbers follow the linked catalog and can differ by service. Air dates are separate from crime dates. Playback availability varies by service and region.
Investigation Discovery · Season 1, Episode 2 · Listed air date 2012-11-24
Fatal Vows — Blood and Wine
Includes coverage of Nancy & Richard Lyon.
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Search Amazon · paid linkEpisode details on TVmaze
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Episode data: TVmaze · CC BY-SA 4.0
Investigation Discovery · Season 3, Episode 10
The Perfect Murder — Murder-in-Law
The platform’s episode listing identifies the Nancy Lyon case. Availability and subscription requirements depend on your region and service.
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A&E · Season 1, Episode 11 · 2003
City Confidential — Dallas: Arsenic and Old Money
A catalog entry identifying the episode’s connection to Nancy Lyon. Open the listing for credits and episode information.
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Audiobooks
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Audiobook
Poisoned Dreams: A True Story of Murder, Money, and Family Secrets
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Edition checked 2026-10-12
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Fiction Work
Fiction Work
Browse all →Scripted stories and fictional inspirations. Scenes, characters, and dialogue can differ from the record.
Sondra Locke · 1995 · dramatized television film
Death in Small Doses
A scripted television adaptation of the Nancy Lyon case. This contemporary newspaper review identifies its factual basis and cast.
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Podcasts
Podcasts
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Social Media
BRING YOUR PERSPECTIVE
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News & Reading
News & reporting
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Newspaper clippings
0 itemsFeatured newspaper clipping
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Internet Archive
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Court & Files
Court records & documents
1 itemsAbout these sources
Documents are labeled by type and scope. Allegations in filings are not findings of guilt. This collection is not the complete case file.
Court document
Lyon v. State — 1994 appellate opinion
A published court opinion reviewing the evidence in the Nancy Lyon prosecution and affirming the trial judgment.
Texas Court of Appeals · hosted by CaseMine
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Positive Outcome
Positive Outcome
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Social Media
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