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Katherine Barnum Missing Person Case

Last seen in Aurora, Colorado on Feb 19, 1979

Victim Details

Created

Jun 18, 2012

Case Added

Jul 19, 2023

Firstname

Katherine

Lastname

Barnum

Current Age

Age At Disappearance

Height

64 inches

Weight

210 lbs

Ethnicity

White / Caucasian

Gender

Female

Last Seen

Feb 19, 1979

City

Aurora

State

Colorado

County

Adams County

Agency ID

11875

Agency Name

Aurora Police Department

Agency City

Aurora

Agency State

Colorado

Agency County

Arapahoe County

Agency Zip Code

80012

Agency Contact

Stephen Conner

Contact Job Title

Detective

Agency Address

15001 East Alameda Parkway, Colorado

Agency Phone

3036273100

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Website

https://www.auroragov.org/residents/public_safety/police

Primary Agency

Aurora Police Department

Hair Color

Red/Auburn

Left Eye Color

Hazel

Right Eye Color

Hazel

Last Updated

07/27/2026

Area Last Seen:

Case Description

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In February of 1979, the life of 24-year-old Katherine Sue Barnum took a mysterious and unsettling turn, leaving her family with decades of unanswered questions. She was last seen in Aurora, Colorado, where she resided in an apartment located near the 900 block of South Salem Street. At the time of her disappearance, a man named Randal Francis Arnold had been living with her for approximately two months. After she vanished, Arnold suggested that Katherine had left for California with an unknown ...

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Last Seen: Feb 19, 1979

Links to Additional Sources (5)

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Missing Person / NamUs

Katherine Barnum - Colorado Cold Case Files - Case Detail

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Katherine Barnum Missing Person Case

Last seen in Aurora, Colorado on Feb 19, 1979

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (5)

Unlock 3 additional sources

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Forum Posts (3)

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