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Case Description

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Summary based on the NamUs case record (MP153118)
A family's search for answers began after their loved one, Luis Mendez, vanished in the fall of 2024. At the time he went missing from Chicago, Illinois, he was 48 years old. His family has not had contact with him since September of that year, and there is concern that he may be experiencing homelessness. The last confirmed sighting of Luis occurred on the evening of September 8, 2024. He was seen at approximately 8:35 p.m. in the lobby of the Chicago Police Department's 25th District station, located at 5555 W. Grand Avenue. Since that moment, his whereabouts have remained a troubling mystery for his family and law enforcement.

Authorities have released a description of Luis Mendez in the hopes that the public can assist in locating him. He is described as a Hispanic male with a medium complexion, standing approximately 5'11' tall and weighing around 160 pounds. He has brown eyes and black and gray hair. A significant identifying feature is the presence of multiple tattoos on both his arms and body. Due to the extended period of time without contact and the unknown circumstances surrounding his disappearance, the Chicago Police Department has classified him as an endangered missing person, adding a layer of urgency to the search.

The investigation into Luis's disappearance is being handled by the Chicago Police Department's Area Five SVU. Authorities have publicly appealed for any information that could lead to his location, asking individuals to come forward with any potential leads or insights. The case is a distressing one, marked by the unusual detail of his last known location being a police facility. The prolonged absence of a man who seemingly disappeared after that point has left his family waiting and authorities continuing their appeal for public assistance to resolve the uncertainty surrounding what happened to Luis Mendez.

Last Seen: Aug 1, 2024

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Possible Unidentified Matches (1)

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 — Chicago, Illinois
UP148070 • Found Jul 12, 2025
View case
Sex ✓Male
Age 100%Est. 38–52 vs 48
Location 100%6 mi away, same county
TimingFound 11 months after last seen
Height 100%5'10" vs 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.