Crime Solvers Central
Crime Solvers Central
302 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 (MP18957) and 3 other sources
In the spring of 1958, a 28-year-old man named Thomas Clyde O'Daniel found himself in Phoenix, Arizona. On May 15th of that year, he made a phone call to his family, a simple act that would become the last known contact anyone would have with him. During the call, Thomas, or Tom as he was known, mentioned his intention to hitchhike to Yuma, a journey of roughly 200 miles. He was a white male with blond or strawberry blond hair and green eyes. Standing between 5'10' and 6'0' tall and weighing between 170 and 190 pounds, he had a distinct physical feature: small flesh-colored tags, known as skin tags, located behind his ears. After that fateful phone call, Thomas O'Daniel vanished, seemingly without a trace.

The days turned into weeks, the weeks into months, and then years, with no word from Tom. His family was left in a state of perpetual uncertainty, grappling with the profound pain of not knowing what had become of their loved one. The Phoenix Police Department was the investigating agency in his case, but the passage of time offered few clues and even fewer answers. The circumstances surrounding his disappearance were sparse, leaving a void of information that has been difficult to fill over the decades. His case was eventually added to the National Missing and Unidentified Persons System a national database for missing persons.

Decades have passed since Thomas O'Daniel was last seen, and his case remains an unsolved mystery. The lack of information has made the investigation incredibly challenging, and his disappearance is a stark reminder of the countless cold cases that continue to haunt families and law enforcement alike. The details of what happened to Tom after he ended his phone call on that May day in 1958 are unknown. Whether he ever made it to Yuma, or what became of him on that journey, remains a question mark. His story is a somber narrative of a young man who set out on a trip and was never heard from again, leaving behind a legacy of unanswered questions and enduring grief for those who knew and loved him. The case of Thomas Clyde O'Daniel is a poignant example of the lasting impact of a person's disappearance, a story without an ending that continues to echo through the years.

Last Seen: Jan 1, 1958

Possible Unidentified Matches (10)

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.

79%Possible
John Doe — Phoenix, Arizona - unidentified case UP1904
John Doe — Phoenix, Arizona
UP1904 • Found Aug 4, 1984
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Sex ✓Male
Age 100%Est. 25–40 vs 28 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 27 years after last seen
Height 100%5'9" vs 5'10"–6'0"
Weight 76%130 lb vs 170–190 lb
Hair 50%Brown vs Blond
78%Possible
John Doe — Tempe, Arizona - unidentified case UP2042
John Doe — Tempe, Arizona
UP2042 • Found Mar 11, 2003
View case
Sex ✓Male
Age 100%Est. 50–60 vs 28 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 45 years after last seen
Height 100%5'9" vs 5'10"–6'0"
Weight 65%122 lb vs 170–190 lb
Hair 70%Gray vs Blond
Eyes 50%Blue vs Green
78%Possible
John Doe — Phoenix, Arizona - unidentified case UP1919
John Doe — Phoenix, Arizona
UP1919 • Found Jun 23, 1988
View case
Sex ✓Male
Age 85%Est. 30–50 vs 28 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 30 years after last seen
Height 100%5'11" vs 5'10"–6'0"
Weight 100%191 lb vs 170–190 lb
Hair 70%Gray vs Blond
78%Possible
John Doe — Peoria, Arizona - unidentified case UP142022
John Doe — Peoria, Arizona
UP142022 • Found Feb 12, 2025
View case
Sex ✓Male
Age 100%Est. 57–70 vs 28 when missing
Race 100%White
Location 96%26 mi away, same county
TimingFound 67 years after last seen
Height 100%5'10" vs 5'10"–6'0"
Weight 98%120–150 lb vs 170–190 lb
Hair 70%Gray vs Blond
77%Possible
John Doe — Laveen, Arizona - unidentified case UP6601
John Doe — Laveen, Arizona
UP6601 • Found Nov 22, 2009
View case
Sex ✓Male
Age 100%Est. 30–45 vs 28 when missing
Race 100%White
Location 100%8 mi away, same county
TimingFound 52 years after last seen
Height 84%5'8" vs 5'10"–6'0"
Weight 89%142 lb vs 170–190 lb
77%Possible
John Doe — Laveen, Arizona - unidentified case UP2028
John Doe — Laveen, Arizona
UP2028 • Found Nov 23, 2003
View case
Sex ✓Male
Age 100%Est. 20–35 vs 28 when missing
Race 100%White
Location 100%8 mi away, same county
TimingFound 46 years after last seen
Height 100%6'0" vs 5'10"–6'0"
Weight 100%196 lb vs 170–190 lb
Hair 50%Brown vs Blond
Eyes 0%Brown vs Green
77%Possible
John Doe — Phoenix, Arizona - unidentified case UP1956
John Doe — Phoenix, Arizona
UP1956 • Found Feb 13, 1999
View case
Sex ✓Male
Age 100%Est. 35–50 vs 28 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 41 years after last seen
Height 84%6'2" vs 5'10"–6'0"
Weight 100%200 lb vs 170–190 lb
Hair 50%Brown vs Blond
77%Possible
John Doe — Phoenix, Arizona - unidentified case UP1899
John Doe — Phoenix, Arizona
UP1899 • Found Sep 2, 1982
View case
Sex ✓Male
Age 100%Est. 50–60 vs 28 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 25 years after last seen
Height 100%6'1" vs 5'10"–6'0"
Weight 73%128 lb vs 170–190 lb
Hair 50%Brown vs Blond
Eyes 0%Brown vs Green
76%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 28 when missing
Race 100%White
Location 100%5 mi away, same county
TimingFound 50 years after last seen
Height 100%5'9" vs 5'10"–6'0"
Weight 100%155 lb vs 170–190 lb
Hair 10%Black vs Blond
Eyes 0%Brown vs Green
76%Possible
John Doe — Phoenix, Arizona - unidentified case UP1971
John Doe — Phoenix, Arizona
UP1971 • Found Apr 7, 2001
View case
Sex ✓Male
Age 100%Est. 30–40 vs 28 when missing
Race 100%White
Location 100%5 mi away, same county
TimingFound 43 years after last seen
Height 84%5'8" vs 5'10"–6'0"
Weight 100%160 lb vs 170–190 lb
Hair 50%Brown vs Blond
Eyes 0%Brown vs Green

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.