Weak signal — significant differences were noted, or insufficient data was available to draw reliable comparisons.
Some fields are missing from one or both cases. The comparison is reasonable but should be interpreted with caution.
Geographic Analysis
~
Considerable distance
Cases are approximately 457 miles apart. This distance moderately weakens the geographic signal.
Timeline Analysis
✓
Timeline is consistent
Remains were discovered 7 weeks after the disappearance. Partial remains indicate an extended post-mortem interval. The timeline is plausible.
Physical Analysis
⚠
Physical descriptors largely inconsistent
Only 0 of 2 comparable attributes align. Significant physical differences were noted. Inconsistent: hair color, eye color.
Geographic Map View
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Missing Person
Tucson, Arizona
Jan 31, 2026
Unidentified Remains
Colorado
Mar 23, 2026
457 miles apart
Notable Concerns
⚠Race/ethnicity does not match
Base Case
Physical Description
Sex
Female
Race
Multiple
Age
—
Height
—
Weight
—
Hair
Unknown
Eyes
Unknown
Condition
Not recognizable - Partial skeletal parts only
Timeline
Date Found
Mar 23, 2026
Locations
Found
Colorado
Narrative
Partial skeletal remains found by a shed hunter in a wooded area in Costilla County. Forensic anthropological analysis determined the remains to likely belong to a Hispanic/Latina or White woman, suspected to be middle-aged. Stature was not able to be determined.
Matched Case
Physical Description
Sex
Female
Race
White / Caucasian
Age
84
Height
5′ 2″
Weight
140 lbs
Hair
Brown
Eyes
Blue
Timeline
Last Seen
Jan 31, 2026
Reported
Feb 1, 2026
Locations
Last Seen
Tucson, Arizona
Narrative
Nancy Guthrie was reported missing by family members on February 1, 2026. She was last seen on the evening of January 31, 2026, at approximately 2148 hrs. (9:45 pm) at her residence. Her last known clothing description is unknown. Personal belongings, including her cellphone and purse, were left behind at the residence. Nancy Guthrie has multiple medical conditions that may place her at increased risk.