Zachary Rivera, a 38-year-old Hispanic man, was found dead from gunshot wounds to his upper torso outside a residence in Tulsa, Oklahoma. Police responded to a shooting on September 27, 2020, and discovered Rivera deceased that morning.

Authorities identified the shooter as 33-year-old neighbor Jeyhun Valizada. After the shooting, Valizada barricaded himself inside his home, prompting an approximately six-hour standoff with law enforcement. The confrontation ended when Valizada died by a self-inflicted wound during the standoff. The motive for the killing of Rivera has not been released.

If anyone in Tulsa knew Rivera, Valizada, or observed activity around either residence that morning, please share information that could help clarify what happened.