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Jakob Mumper

Case from Bloomington, IN dated Sep 06, 2020

Victim Details

Jakob Mumper

Male

White / Caucasian

Bloomington

IN

2020-09-06

18

Jakob

Mumper

07/08/2026

Case Description

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In the quiet neighborhood of Hyde Park in Bloomington, Indiana, the life of 18-year-old Jakob Mumper, a promising high school senior and standout swimmer, was tragically cut short on Sunday, September 6, 2020. Jakob, a male student at Bloomington North High School, was a victim of a horrific event that also claimed the lives of his 54-year-old mother, Annamarie Greta Simon-Mumper, and his 26-year-old sister, Emma Mumper. The perpetrator was identified by police as Jakob's 61-year-old father, Jef ...
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Links to Additional Sources (9)

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  • https://bloomingtonian.com/2020/09/06/four-dead-in-apparent-triple-murder-suicide-in-hyde-park-neighborhood/
  • wthr.com: Friends remember family killed in Bloomington triple homicide-suicide
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    Forum Posts (2)

    I came across this case recently, and it left me absolutely stunned. What makes it even more difficu... ...Read More
    01/29/2024
    I've been thinking a lot about the friends and teammates of Jakob Mumper from Bloomington North High... ...Read More
    02/21/2023
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