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Heidi Olson-Hartley

Case from Kalispell, MT dated May 11, 2025

Victim Details

Name

Heidi Idunn Olson-Hartley

Gender

Female

Race

White / Caucasian

City

Kalispell

State

Date Of Death

2025-05-11

Age At Death

First Name

Heidi

Last Name

Olson-Hartley

Last Updated

09/07/2026

Case Description

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Heidi Olson-Hartley, a 6-year-old girl from Kalispell, Montana, died on the morning of May 11, 2025. Shortly before 6 a.m., police were dispatched to the family's home on Werner Peak Trail in the Silverbrook Estates neighborhood after a 911 caller made “concerning statements” and then hung up. Officers forced entry when they couldn't reach anyone inside and found four people dead from gunshot wounds: Heidi; her mother, 27-year-old Katie Olson-Hartley; and her seven-month-old brother, Stellan ...

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Links to Additional Sources (11)

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Daily Inter Lake: Birth announcements Dec. 2

KPAX News: 2 young children among victims of Kalispell murder-suicide

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Heidi Olson-Hartley

Case from Kalispell, MT dated May 11, 2025

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (11)

Unlock 9 additional sources

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