Crime Solvers Central
Crime Solvers Central
302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP27899) and 3 other sources
Mark Lane Smith, a 42-year-old man, was last seen on August 25, 2001, in Moreno Valley, California. At the time of his disappearance, Smith was working on a construction site. He was driving a green 1995 GMC Yukon with the California license plate 3NVW067, which has also been missing since that day. Smith is described as a white male, standing 5'11" and weighing around 260 pounds, with brown hair and blue eyes.

There is limited information regarding the circumstances of his disappearance. His case is classified as endangered missing, and authorities have not uncovered significant leads regarding his whereabouts. Despite efforts to locate both him and his vehicle, his case remains unresolved.

The Riverside County Sheriff's Department continues to seek any information that might help solve his case.

Last Seen: Aug 25, 2001

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.

80%Moderate
John Doe — Long Beach, California
UP3051 • Found Dec 3, 2005
View case
Sex ✓Male
Age 100%Est. 39–49 vs 42 when missing
Race 100%White
Location 87%56 mi away, same state
TimingFound 4 years after last seen
Height 100%5'9"–5'11" vs 5'11"
Weight 100%180–210 lb vs 200 lb
Hair 40%Gray vs Brown
79%Possible
John Doe — Los Angeles, California
UP104480 • Found Mar 22, 2023
View case
Sex ✓Male
Age 100%Est. 55–70 vs 42 when missing
Race 100%White
Location 86%61 mi away, same state
TimingFound 22 years after last seen
Height 84%5'6"–5'9" vs 5'11"
Weight 100%180–190 lb vs 200 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
79%Possible
John Doe — Menifee, California
UP100667 • Found Sep 9, 2021
View case
Sex ✓Male
Age 100%Est. 58–72 vs 42 when missing
Race 100%White
Location 99%13 mi away, same county
TimingFound 20 years after last seen
Height 84%5'9" vs 5'11"
Weight 71%151 lb vs 200 lb
Hair 70%Gray vs Brown
Eyes 100%Blue vs Blue
79%Possible
John Doe — Long Beach, California - unidentified case UP13324
John Doe — Long Beach, California
UP13324 • Found Sep 6, 2014
View case
Sex ✓Male
Age 100%Est. 55–70 vs 42 when missing
Race 100%White
Location 87%56 mi away, same state
TimingFound 13 years after last seen
Height 100%6'0" vs 5'11"
Weight 100%187 lb vs 200 lb
Hair 70%Gray vs Brown
79%Possible
John Doe — California - unidentified case UP3094
John Doe — California
UP3094 • Found Feb 11, 2005
View case
Sex ✓Male
Age 100%Est. 45–55 vs 42 when missing
Race 100%White
Location 86%60 mi away, same state
TimingFound 3 years after last seen
Height 68%5'8" vs 5'11"
Weight 100%188 lb vs 200 lb
Hair 100%Brown vs Brown
Eyes 30%Hazel vs Blue
79%Possible
John Doe — Altadena, California
UP3108 • Found Sep 19, 2004
View case
Sex ✓Male
Age 100%Est. 40–50 vs 42 when missing
Race 100%White
Location 87%56 mi away, same state
TimingFound 3 years after last seen
Height 100%5'10"–6'2" vs 5'11"
78%Possible
John Doe — Buena Park, California - unidentified case UP12758
John Doe — Buena Park, California
UP12758 • Found Jul 1, 2014
View case
Sex ✓Male
Age 100%Est. 50–65 vs 42 when missing
Race 100%White
Location 91%44 mi away, same state
TimingFound 13 years after last seen
Height 100%5'11" vs 5'11"
Weight 100%183 lb vs 200 lb
Hair 70%Gray vs Brown
Eyes 0%Brown vs Blue
78%Possible
John Doe — Long Beach, California - unidentified case UP3074
John Doe — Long Beach, California
UP3074 • Found Oct 24, 2005
View case
Sex ✓Male
Age 100%Est. 40–50 vs 42 when missing
Race 100%White
Location 88%53 mi away, same state
TimingFound 4 years after last seen
Height 100%5'11" vs 5'11"
Weight 67%148 lb vs 200 lb
Eyes 0%Brown vs Blue
77%Possible
John Doe — San Bernardino, California - unidentified case UP88020
John Doe — San Bernardino, California
UP88020 • Found Feb 9, 2021
View case
Sex ✓Male
Age 85%Est. 50–70 vs 42 when missing
Race 100%White
Location 98%16 mi away, same state
TimingFound 19 years after last seen
Height 100%6'0" vs 5'11"
Weight 100%206 lb vs 200 lb
Hair 70%Gray vs Brown
Eyes 30%Hazel vs Blue
77%Possible
John Doe — Los Angeles, California - unidentified case UP14611
John Doe — Los Angeles, California
UP14611 • Found Sep 9, 2015
View case
Sex ✓Male
Age 100%Est. 50 vs 42 when missing
Race 100%White
Location 86%61 mi away, same state
TimingFound 14 years after last seen
Height 100%5'11" vs 5'11"
Weight 63%145 lb vs 200 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Blue

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.