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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 (MP32456) and 1 other source
In the quiet city of Flagstaff, Arizona, a mystery began to unfold on June 28, 1996, with the disappearance of 49-year-old David Allen Frank. A white male with brown hair and brown eyes, David was a man of average build, standing at 5 feet 8 inches and weighing between 170 and 180 pounds. He wore prescription glasses and had a mustache. The day he was last seen was seemingly ordinary; he was spotted in the morning having coffee with his son and a friend. Later that evening, he was seen again when he spoke with a friend at a local bar. However, after this last encounter, David Frank vanished, leaving behind a life and a family who would spend decades searching for answers. His case was officially reported to the Coconino County Sheriff's Office on June 27, 1996, the day before his last confirmed sightings.

The circumstances surrounding David's disappearance are unsettlingly vague, with very few public details available to piece together a clear picture of what might have transpired. One peculiar detail noted in his missing person profile is the mention of recent cuts and bruises of unknown origin on his hands. This small but potentially significant piece of information adds a layer of concern to his case, suggesting he may have been involved in some sort of altercation or accident prior to his disappearance. The lack of any substantial leads or information regarding his whereabouts has left his case cold for many years, a silent testament to a life interrupted.

The investigation into David Frank's disappearance is being handled by the Coconino County Sheriff's Office and is listed under case number S96-10-00102. Over the years, the case has been transitioned to the cold case unit, with Investigator Jana White currently assigned to it. Despite the passage of time, the case officially remains open. The National Missing and Unidentified Persons System created a case file for him on February 9, 2016, a standard procedure for long-term missing person cases to ensure that his information remains in a national database, accessible to law enforcement agencies across the country. The overview of this case is one of quiet uncertainty; a man going about his day, interacting with loved ones and friends, and then simply ceasing to be present. With no witnesses to any foul play and no communication from him since, the narrative of David Allen Frank's disappearance is one of an unresolved and deeply felt absence.

Last Seen: Jun 28, 1996

Links to Additional Sources (1)

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Possible Unidentified Matches (6)

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.

78%Possible
John Doe — Flagstaff, Arizona - unidentified case UP77542
John Doe — Flagstaff, Arizona
UP77542 • Found Jan 28, 2021
View case
Sex ✓Male
Age 100%Est. 35–50 vs 49 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 25 years after last seen
Height 100%5'9"–5'11" vs 5'8"
77%Possible
John Doe — Phoenix, Arizona - unidentified case UP819
John Doe — Phoenix, Arizona
UP819 • Found Aug 2, 2007
View case
Sex ✓Male
Age 100%Est. 35–50 vs 49 when missing
Race 100%White
Location 71%119 mi away, same state
TimingFound 11 years after last seen
Height 100%5'9" vs 5'8"
Weight 100%155 lb vs 170–180 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
77%Possible
John Doe — Arizona - unidentified case UP1954
John Doe — Arizona
UP1954 • Found Aug 24, 1998
View case
Sex ✓Male
Age 100%Est. 45–60 vs 49 when missing
Race 100%White
Location 67%139 mi away, same state
TimingFound 2 years after last seen
Height 100%5'8" vs 5'8"
Hair 100%Brown vs Brown
76%Possible
John Doe — Casa Grande, Arizona - unidentified case UP15974
John Doe — Casa Grande, Arizona
UP15974 • Found May 24, 1999
View case
Sex ✓Male
Age 85%Est. 40–60 vs 49 when missing
Race 100%White
Location 63%158 mi away, same state
TimingFound 3 years after last seen
Height 100%5'9" vs 5'8"
Weight 100%190 lb vs 170–180 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
75%Possible
John Doe — Albuquerque, New Mexico
UP8202 • Found Jan 4, 2002
View case
Sex ✓Male
Age 100%Est. 50–60 vs 49 when missing
Race 100%White
Location 47%283 mi away
TimingFound 6 years after last seen
Height 100%5'9" vs 5'8"
Weight 83%138 lb vs 170–180 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
75%Possible
John Doe — Los Angeles, California
UP3474 • Found Feb 26, 1997
View case
Sex ✓Male
Age 100%Est. 42–55 vs 49
Race 100%White
Location 37%383 mi away
TimingFound 8 months after last seen
Height 100%5'9" vs 5'8"
Weight 100%168 lb vs 170–180 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown

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.

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