『The Poisoner』のカバーアート

The Poisoner

The Poisoner

著者： Creator at Obomedia
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A whisper in the tea, a wrong prescription, the quiet science behind a deadly intent — The Poisoner peels back the layers of motive, method and aftermath in cases where toxin meets opportunity. Each episode examines how poison has been chosen, cultivated and concealed, focusing on the forensic detail and the human stories that make these crimes chillingly plausible.

Expect forensic breakdowns, cultural context and courtroom consequences delivered with measured curiosity and precise research. The Poisoner stands apart by combining chemical explanation, investigative reporting and survivor perspectives so listeners understand not just who did it, but how and why a poison worked — or failed — in real life.

New episodes drop every day: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday at 7:00 PM. Episodes vary between concise case studies and deeper investigative narratives, all designed to fit into your evening listening with clear takeaways about detection, deception and justice.

This podcast is for true crime listeners who crave technical clarity, armchair investigators fascinated by toxicology, and anyone curious about the legal and moral fallout when harm is distilled into a bottle, a bite or a vial. If you want forensic detail without sensationalism, The Poisoner is your nightly briefing.

Subscribe now to follow meticulous reconstructions, forensic insights and the awkward, intimate realities of crimes by poison.

keywords SEO: poison, toxicology, true crime, forensic science, murder by poisoning© 2026 OBOMEDIA Creators ノンフィクション犯罪
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  • The Garden Guest Who Served Poisoned Tea and Two Graves

    The Garden Guest Who Served Poisoned Tea and Two Graves
    2026/09/10
    The Garden Guest Who Served Poisoned Tea and Two Graves

    A sweet, green smell at 5:40 a.m. led a 14-year-old paper carrier to a storm door left open and, hours later, a man dead on the kitchen floor with a bowl of tea-colored liquid and torn leaves - tests would later show aconitine. A widower and landscaper, David Collins spent months with unexplained gastrointestinal decline before collapsing; his wife's similar earlier illness and a mysteriously present monkshood plant raise one central question: who brought the poison into their lives?

    In this episode, we walk through the sequence of events from that morning discovery to the medical findings and the people connected to the Collins household, following the clues that link long-term exposure, an herb grower who visited daily, and a single unrecorded plant - could a trusted helper have been the delivery method for a slow-acting toxin?

    Person: David Collins
    Date: Morning discovery at 5:40 a.m.; pronounced dead at 7:02 a.m.
    Age: 44
    Toxin: Aconitine detected in liquid and tissue
    Location: Collins house, Sycamore Bend

    - The storm door at the Collins house was standing open at 5:40 a.m. when Earl Lewis, age 14, noticed a sweet, green smell and did not enter.
    - David Collins was found unresponsive on the kitchen floor and pronounced dead at 7:02 a.m, at Sutter Valley Medical Center.
    - A ceramic mixing bowl on the counter contained a tea-colored liquid and a scatter of torn green leaves; forensic tests confirmed aconitine in that liquid.
    - David had months of nausea, stomach cramps, and hand tingling in 2011 with diffuse mucosal irritation found by gastroenterologist Brian Sato; no structural cause was identified.
    - A monkshood plant was identified in the Collins raised herb bed within 48 hours of David's death but did not appear in Donald Rice’s meticulous sales and inventory records.

    To listen to this podcast ad-free and access premium episodes, try our subscription with a 14-day free trial at obomedia.com.

    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    16 分
  • The Landlord's Tea: How a Cup Slowly Killed Crystal Thorpe

    The Landlord's Tea: How a Cup Slowly Killed Crystal Thorpe
    2026/09/09
    The Landlord's Tea: How a Cup Slowly Killed Crystal Thorpe

    Cold and clinical details hide a slow, deliberate violence: a pair of wiped reading glasses found upright in nine-degree snow carried no frost, and a ceramic tea canister held wet loose leaves that later tested positive for plant-derived pyrrolizidine alkaloids - so how did a cup of tea kill a young billing coordinator over months without immediate suspicion?

    In this episode, we tell the timeline from the morning the glasses were found to the lab confirmation in Columbus, laying out how symptoms evolved, who lived at 414 Sutter Hollow Road, and how one environmental health investigator connected two collapsing livers back to a single canister of tea - could the landlord’s habits explain the pattern of poisoning?

    Person: Crystal Thorpe
    Age: 28
    Location: 414 Sutter Hollow Road
    Date found (glasses): February, 6:20 a.m.
    Lab result date: January 2

    - Glasses found upright in a snow berm at 6:20 a.m., temperature nine degrees, with no footprints nearby.
    - Crystal Thorpe died on October 14 after admission on October 5 with progressive hepatic failure; initial death certificate listed autoimmune hepatitis.
    - Dennis Sproat moved into Crystal’s former room within three weeks and showed jaundice by December.
    - Environmental health investigator Bruce Tillman collected a blue glazed ceramic canister from the shelf above the door in the front upstairs room.
    - State lab in Columbus reported the loose tea contained pyrrolizidine alkaloids on January 2.

    To listen to this podcast ad-free and access premium episodes, try our subscription with a 14-day free trial at obomedia.com.

    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    18 分
  • Volunteer Leaves an IV Bag at a Dead Woman's Door: The Last Visitor

    Volunteer Leaves an IV Bag at a Dead Woman's Door: The Last Visitor
    2026/09/08
    Volunteer Leaves an IV Bag at a Dead Woman's Door: The Last Visitor

    A single IV bag, placed on a concrete pad six days after a patient's death, contained a lethal concentration of potassium chloride - enough to stop a fragile heart within hours. Who left a prepared, deliberate dose at the doorstep of a woman already cremated, and what did investigators uncover when they traced one volunteer’s visits across two years of hospice care?

    In this episode, we follow the timeline from the bag’s discovery on September 11, 2019 to the search of a volunteer’s home six days later, and we outline the evidence that linked that IV to a cache of pharmaceutical-grade potassium chloride and handwritten IV diagrams. How did the volunteer logs, neighbor statements, and lab results diverge to raise the question of what really happened inside those quiet homes?

    Date: September 11, 2019
    Person: Amanda Whitley
    Location: 412 Sycamore Reach
    Status: Cremated
    Case: Harwick County investigation

    - The IV bag was found at 9:42 AM on September 11, 2019, six days after Amanda Whitley died on September 5, 2019.
    - Laboratory analysis showed the saline in the IV bag was adulterated with potassium chloride at a concentration sufficient to stop a compromised heart within hours.
    - Volunteer Ralph Barnes registered with the hospice Comfort Care Program in early 2017 and was 51 years old at the time.
    - A search of Barnes’s home on September 17, 2019, found pharmaceutical-grade potassium chloride powder locked in a metal box, two empty IV bags, and a spiral notebook with hand-drawn IV flow-rate diagrams.
    - Hospice records showed Barnes’s visitor log for Whitley contained only scheduled visits with no unscheduled visits recorded, despite a neighbor reporting Whitley left her side door unlocked for Barnes who sometimes came outside scheduled hours.

    To listen to this podcast ad-free and access premium episodes, try our subscription with a 14-day free trial at obomedia.com.

    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    17 分
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