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298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP77224) and 4 other sources
In the spring of 1991, a profound mystery began to unfold in the small city of Kingman, Arizona. On May 3rd of that year, a 45-year-old woman named Susan Elizabeth Sweet-Mahler was seen for the last time. A Caucasian female with brown hair and hazel eyes, she stood approximately five feet nine inches tall and weighed between 145 and 155 pounds. The day she vanished marked the beginning of a long and quiet series of unanswered questions for those who may have known her and for the investigators tasked with finding her. The specific details of what she was doing or who she was with on that Friday have remained elusive, leaving a void in the timeline of her last known movements.

Publicly available information regarding the specific circumstances of Susan's disappearance is notably scarce. It wasn’t until May 29, 1991, nearly a month after she was last seen, that she was officially reported as a missing person to the Kingman Police Department. Law enforcement records do not contain details about what clothing she was wearing at the time, nor is there any mention of personal items she may have had with her. Furthermore, there is no information available regarding any vehicle she may have been driving, which could have provided a crucial lead in the investigation. This lack of detail has made the efforts to piece together her story exceptionally challenging for both law enforcement and any family or friends searching for answers.

The case of Susan Sweet-Mahler is a quiet and somber puzzle that has endured for decades. With no public leads or updates, her disappearance has become a cold case, held within the files of the Kingman Police Department under case number 1991-07607. The official record is stark, stating only the fundamental facts: a 45-year-old woman vanished from Kingman, Arizona, on May 3, 1991. The narrative of her life and the specifics of her disappearance have faded over time, leaving a case defined more by the absence of information than by the clues left behind. Decades later, the investigation remains open, a silent testament to a life interrupted and a mystery yet to be solved.

Last Seen: May 3, 1991

Possible Unidentified Matches (2)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

76%Possible
Jane Doe — Needles, California - unidentified case UP2554
Jane Doe — Needles, California
UP2554 • Found May 14, 1991
View case
Sex ✓Female
Age 85%Est. 25–45 vs 45
Race 100%White
Location 92%40 mi away
TimingFound 11 days after last seen
Height 36%5'4" vs 5'9"
Weight 100%148 lb vs 145–155 lb
Hair 100%Brown vs Brown
75%Possible
Jane Doe — Palm Desert, California - unidentified case UP7026
Jane Doe — Palm Desert, California
UP7026 • Found Feb 10, 1997
View case
Sex ✓Female
Age 100%Est. 35–50 vs 45 when missing
Race 100%White
Location 62%167 mi away
TimingFound 6 years after last seen
Height 68%5'6" vs 5'9"
Weight 100%145 lb vs 145–155 lb
Hair 100%Brown vs Brown
Eyes 100%Hazel vs Hazel

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.