Union City Police Seek Leads in 2021 Homicide Case
Authorities are searching for a late-2000s Buick Lucerne connected to the 2021 death of 35-year-old Joaquin Tenorio.
Updated on Oct. 15, 2026 in Violence
Union City detectives have reopened the investigation into the 2021 murder of 35-year-old Joaquin Tenorio. Police are now asking for public assistance to identify a late-2000s Buick Lucerne seen near the crime scene.
Why it matters
A fresh review of the case following the five-year anniversary has prompted investigators to release new information about the vehicle. Authorities hope this appeal will generate the tips necessary to advance the cold case.
The investigation into the shooting at the 4200 block of Queen Anne Drive is currently active. Detectives are seeking tips via a dedicated line at 510-675-5207.
The players
Joaquin Tenorio
He was a 35-year-old resident who was shot to death in 2021.
Union City Police Department
This is the primary law enforcement agency responsible for investigating crimes within Union City.
Michael Bedford
He is a detective with the Union City Police Department leading the investigation.
The details
The Union City Police Department has published a photograph of the Buick Lucerne to aid in public identification. Investigators conducted this latest review of the file five years after Joaquin Tenorio was killed.
Timeline
October 1, 2021: Joaquin Tenorio was shot to death.
October 2026: Five-year anniversary of the homicide.
Legal Context
This investigative update follows a pattern set by the 2021 homicide of Joaquin Tenorio. The department utilizes periodic file reviews as a standard procedural measure to resolve cold cases.
Residents who may have information or recall suspicious activity in the 4200 block of Queen Anne Drive are encouraged to contact investigators. Providing details on the identified vehicle could be vital to closing the investigation.
The takeaway
Public involvement remains a critical component in solving cold cases years after an initial event. Residents with any memory of vehicles or activity in the area during October 2021 should reach out to the authorities.
Further reading
Find more updates on local public safety at Union City Violence.
Source note: This article includes information reported by KRON4.
