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Case Description

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Summary based on the NamUs case record (MP3234) and 1 other source
Luther Valentine Smith was a 55-year-old man when he disappeared from Phoenix, Arizona, on July 4, 1991. He was last seen that afternoon in the vicinity of East Indian School Road and North 20th Street, an area in central Phoenix. Published missing-person records describe Smith as a White male, approximately 6 feet tall and weighing about 230 pounds, with sandy-gray or gray hair and brown eyes. He was also known to use the first name “Al” or the initials “L.V.” The circumstances surrounding that Independence Day afternoon would become deeply troubling because Smith did not simply disappear without a trace of himself; the vehicle he was driving vanished with him. He was reportedly operating a green 1977 Volkswagen Rabbit bearing Arizona license plate GXT001. Neither Smith nor that Volkswagen was subsequently seen, leaving investigators without two of the most obvious physical links to reconstructing where he may have gone after his last known sighting. His disappearance has been classified as an endangered missing-person case, and the Phoenix Police Department is the investigating agency.

What happened around the time Smith disappeared is particularly unsettling. According to information attributed to the Phoenix Police Department and repeated in established missing-person databases, Smith had a girlfriend, and on the same day he disappeared she received a telephone call from her former boyfriend. During that conversation, the ex-boyfriend reportedly told her that he had “got” Smith. Publicly available accounts emphasize that the meaning and truth of that statement were never confirmed, and there is no publicly documented explanation establishing precisely what the caller intended by it. Nevertheless, the call became an important part of the known circumstances because it occurred on the very day Smith vanished and because nothing further was heard from him afterward. Investigators have consequently suspected foul play. At the same time, the surviving public record does not identify a charged suspect, provide a confirmed account of an assault, or establish what happened to Smith after he was last observed in Phoenix. The distinction is important: the telephone statement is a reported investigative circumstance rather than proof of exactly what happened, and the case remains defined by unanswered questions rather than a publicly established sequence of events.

The disappearance of Smith’s Volkswagen has remained one of the case’s most significant mysteries. A vehicle is normally a large and identifiable object, yet the green 1977 Volkswagen Rabbit with Arizona plate GXT001 disappeared along with its driver. Public case summaries do not report the car being recovered abandoned, sold, dismantled, submerged, or otherwise located, and they provide no confirmed destination for Smith after he left the area of East Indian School Road and North 20th Street. That absence of evidence has left investigators without a known final destination or recovery site and has made it impossible, from the public information available, to determine whether Smith continued driving voluntarily, met someone elsewhere, or encountered circumstances that prevented him from returning. There is also very little publicly released information about Smith’s activities earlier that day, the purpose of his travel, his clothing when last seen, or any possessions he may have been carrying. Those gaps demonstrate how limited the surviving public narrative is despite the seriousness of the circumstances. What is firmly documented is that a 55-year-old man and the vehicle he was driving disappeared at essentially the same point in time, and neither was reported seen again in the available case accounts.

As the years passed, Smith’s case became a long-term missing-person investigation rather than a disappearance resolved through the recovery of either him or his vehicle. His case is identified in NamUs-related records as MP3234, while other publicly reproduced investigative information lists Phoenix Police Department case number 20428027. Online case records continue to preserve his identifying details and the circumstances surrounding his disappearance so that people who knew Smith, encountered him in 1991, remember his Volkswagen, or possess information about the telephone call can recognize the case even decades later. The Phoenix Police Department Missing Persons Unit has been identified as the agency seeking information, and published case material lists 602-534-2121 as a contact number, with 602-262-6141 also provided for the department. The enduring lack of an answer is especially painful in a case like Smith’s because the known facts end so abruptly: on July 4, 1991, Luther Valentine Smith, a 55-year-old man known as Luther, “Al,” or “L.V.,” was in Phoenix driving his green Volkswagen; his girlfriend then received an ominous and never-confirmed telephone statement from a former boyfriend; Smith and his car disappeared; and investigators came to suspect foul play. In overview, the case remains a stark and unresolved Phoenix disappearance centered on a vanished man, a vanished vehicle, and a disturbing phone call whose significance has never been publicly explained, leaving those who have sought answers for Luther with the same fundamental question that has endured since 1991: what happened to him after he was last seen that afternoon?

Last Seen: Jul 4, 1991

Links to Additional Sources (1)

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Possible Unidentified Matches (9)

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.

77%Possible
John Doe — Rio Verde, Arizona - unidentified case UP13861
John Doe — Rio Verde, Arizona
UP13861 • Found Apr 28, 2015
View case
Sex ✓Male
Age 100%Est. 50–65 vs 55 when missing
Race 100%White
Location 95%30 mi away, same county
TimingFound 24 years after last seen
Height 100%5'11" vs 6'0"–6'1"
Hair 70%Brown vs Gray
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 55 when missing
Race 100%White
Location 92%41 mi away, same state
TimingFound 8 years after last seen
Height 68%5'9" vs 6'0"–6'1"
Weight 87%190 lb vs 230–250 lb
Hair 40%Black vs Gray
Eyes 100%Brown vs Brown
76%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 55 when missing
Race 100%White
Location 96%26 mi away, same county
TimingFound 34 years after last seen
Height 84%5'10" vs 6'0"–6'1"
Weight 47%120–150 lb vs 230–250 lb
Hair 100%Gray vs Gray
75%Possible
John Doe — Winterhaven, California - unidentified case UP15265
John Doe — Winterhaven, California
UP15265 • Found Dec 20, 1997
View case
Sex ✓Male
Age 100%Est. 50–59 vs 55 when missing
Race 100%White
Location 64%156 mi away
TimingFound 6 years after last seen
Height 100%6'0" vs 6'0"–6'1"
Weight 83%185 lb vs 230–250 lb
Hair 100%Gray vs Gray
Eyes 0%Blue vs Brown
75%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 55 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 12 years after last seen
Height 68%5'9" vs 6'0"–6'1"
Weight 14%122 lb vs 230–250 lb
Hair 100%Gray vs Gray
Eyes 0%Blue vs Brown
75%Possible
John Doe — Eloy, Arizona - unidentified case UP6332
John Doe — Eloy, Arizona
UP6332 • Found Sep 19, 2002
View case
Sex ✓Male
Age 85%Est. 35–55 vs 55 when missing
Race 100%White
Location 87%57 mi away, same state
TimingFound 11 years after last seen
Height 100%5'11" vs 6'0"–6'1"
Hair 70%Blond vs Gray
75%Possible
John Doe — Phoenix, Arizona - unidentified case UP1956
John Doe — Phoenix, Arizona
UP1956 • Found Feb 13, 1999
View case
Sex ✓Male
Age 59%Est. 35–50 vs 55 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 8 years after last seen
Height 100%6'2" vs 6'0"–6'1"
Weight 95%200 lb vs 230–250 lb
Hair 40%Brown vs Gray
75%Possible
John Doe — Parker, Arizona
UP7235 • Found Sep 9, 1998
View case
Sex ✓Male
Age 100%Est. 54–64 vs 55 when missing
Race 100%White
Location 68%136 mi away, same state
TimingFound 7 years after last seen
Height 100%6'1" vs 6'0"–6'1"
Hair 100%Gray vs Gray
75%Possible
John Doe — Arizona
UP1927 • Found Dec 7, 1991
View case
Sex ✓Male
Age 100%Est. 45–60 vs 55
Location 96%23 mi away, same county
TimingFound 5 months after last seen
Height 84%5'10" vs 6'0"–6'1"

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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