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Otha Harrison Hart

Serial Killer

Killer's Details

Otha Harrison

Hart

November 20, 1949 United States

June 7, 1993 (aged 43) United States

Male

White

Attempted murder

unknown

4

1979

Oregon

1984

07/14/2025

Description

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Otha Harrison Hart – Serial “Mercy” Killer

Background

Otha Harrison Hart was a nursing‑home orderly born on November 20, 1949, in Lancaster County, Nebraska. He worked at a care facility in Eugene, Oregon, and suffered from diabetes. On June 7, 1993, he died at age 43 while serving time for his convictions .

Modus Operandi

In early 1979, Hart administered large doses of regular insulin (about 300 units per patient), knowing lethal overdoses would likely go undetected post‑mortem. He claimed the patients—who were elderly or suffering—asked him to end their suffering . ...
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Victims

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Confirmed Victims: (4)
  • Carol Miller Age: (89), Date of Death: 1979
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    Links to Additional Sources (8)

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  • Otha Harrison Hart pleaded guilty to reduced charges for... - UPI
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