Fresno police are asking for tips on the whereabouts of 46-year-old Joshua Mata.

Detectives identified Mata as the person responsible for the fatal shooting of Oscar Martinez, the department said in a news release on Wednesday.

Martinez, 62, was shot on the morning of Sept. 19 in the 4700 block of East Liberty Avenue. He died a week later at Community Regional Medical Center.

Anyone calling with information can remain anonymous by contacting Valley Crime Stoppers at this link or calling (559) 498-STOP (7867).

You may also contact homicide detective J. Berumen at (559) 621-2443 or detective A. Nieto at (559) 621-2415.