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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 (MP60791) and 2 other sources
In the autumn of 2018, concern began to grow for 47-year-old Warren Michael Williams, a man known to his friends and family, who was last contacted on September 30th in Phoenix, Arizona. Williams was known to frequent the area of North 75th Avenue and West Indian School Road. At the time he went missing, he was described as a white male, standing between 5'8' and 5'10' tall, and weighing between 190 and 210 pounds. He has brown, shoulder-length hair and blue eyes. His appearance is distinguished by several tattoos, including a partial sleeve on his right arm, a full sleeve on his left, calligraphy across his abdomen, and the names of his children, 'Zackery' and 'Amanda'. He also has a scar on his forehead above his left eyebrow.

Warren's family grew increasingly worried as time passed without any word from him, which was out of character. It was reported that he was experiencing homelessness and lived a transient lifestyle, which can often make it more difficult to maintain regular contact with loved ones. The Phoenix Police Department was notified, and a missing persons report was filed on October 11, 2018. His case was later entered into the National Missing and Unidentified Persons System on October 10, 2019, nearly a year after he was last heard from, under the case number MP60791.

The investigation into Warren's disappearance is being handled by the Phoenix Police Department. Despite the passage of time, his case remains open, and the circumstances surrounding his disappearance are still unclear. The lack of contact has been deeply concerning for his family and friends, who continue to hope for answers. The case serves as a poignant reminder of the vulnerabilities faced by individuals experiencing homelessness and the challenges that law enforcement and families encounter in locating missing persons within transient communities.

Last Seen: Sep 30, 2018

Links to Additional Sources (2)

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Possible Unidentified Matches (5)

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 — Rio Verde, Arizona - unidentified case UP118816
John Doe — Rio Verde, Arizona
UP118816 • Found Mar 3, 2024
View case
Sex ✓Male
Age 100%Est. 38–52 vs 47 when missing
Race 100%White
Location 95%30 mi away, same county
TimingFound 5 years after last seen
Height 100%5'6"–5'8" vs 5'8"–5'10"
77%Possible
John Doe — Phoenix, Arizona - unidentified case UP95516
John Doe — Phoenix, Arizona
UP95516 • Found Jul 30, 2022
View case
Sex ✓Male
Age 100%Est. 38–52 vs 47 when missing
Race 100%White
Location 100%3 mi away, same county
TimingFound 4 years after last seen
77%Possible
John Doe — Peoria, Arizona - unidentified case UP142022
John Doe — Peoria, Arizona
UP142022 • Found Feb 12, 2025
View case
Sex ✓Male
Age 80%Est. 57–70 vs 47 when missing
Race 100%White
Location 96%26 mi away, same county
TimingFound 6 years after last seen
Height 100%5'10" vs 5'8"–5'10"
Weight 80%120–150 lb vs 190–210 lb
Hair 40%Gray vs Brown
76%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 47 when missing
Race 100%White
Location 70%123 mi away, same state
TimingFound 2 years after last seen
Height 100%5'9"–5'11" vs 5'8"–5'10"
75%Possible
John Doe — Tucson, Arizona - unidentified case UP158804
John Doe — Tucson, Arizona
UP158804 • Found Dec 14, 2025
View case
Sex ✓Male
Age 100%Est. 48–62 vs 47 when missing
Race 100%White
Location 74%104 mi away, same state
TimingFound 7 years after last seen
Height 100%5'4"–5'8" vs 5'8"–5'10"

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.