The Killer Nurse Who Poisoned Patients | Ayumi Kuboki Case
Jun 1, 2026•Channel
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Published1 month ago
Duration19:47
Video ID57hxCaDSrBM
Languageen-US
CategoryEntertainment
PrivacyPublic
Made for KidsNo
Video TypeRegular Video
Performance Metrics
Views151.2K
Likes5.8K
Comments266
Engagement Rate4.04%
Likes per 100 views3.86
Comments per 1K views1.76
Video Tags
#dark asia with megan#megan lee#dark asia#true crime asia#crime investigation#범죄#crimetube#crime youtuber#asian killers#asian crime#serial killers#psychopath#true crime investigation#true crime documentary#ayumi kuboki#oguchi hospital murders#yokohama hospital murders#japan true crime#female serial killer#serial killer nurse
Description
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A nurse in Japan killed her patients — not for money, not out of rage, but because she didn't want to deal with their families afterward.
Between July and September 2016, 48 patients died at Oguchi Hospital in Yokohama, Japan. Staff grew uneasy. Nobody called the police. It wasn't until a single IV bag started foaming that investigators realized what had been happening inside that ward all summer.
Nurse Ayumi Kuboki had been injecting Diamitol — a hospital disinfectant — into her patients' IV bags using a needle so fine the hole was nearly invisible. She timed the poisonings to fall during shift changes, so the deaths would happen on someone else's watch. Her victims were mostly elderly. Most bodies had already been cremated by the time police were involved. The full death toll will likely never be confirmed.
Her motive, in her own words: it was troublesome to explain a death to a grieving family.
She confessed to targeting around 20 patients. She was convicted of 3 murders. She was sentenced to life in prison — the prosecution had asked for death.
Would you have given her the death penalty? Let us know below.
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