Officers responded to a call regarding the stabbing around 2:15 p.m. Sunday, which took them to the Regency Apartments at 5900 Riza Avenue.
The victim of the stabbing sustained a wound to his upper body and died at a local hospital.
Officers are still searching for the suspect.
According to the police department, the incident occurred between two people who knew one another and a third person was present in the apartment around the time of the stabbing. No one else was injured.
It is not believe that the incident was gang related.
Stay with FOX40 News and FOX40.com for more updates on this developing investigation.