TULSA, Oklahoma - Police are investigating Tulsa's first homicide of 2013.

It happened in the 1800 block of North St. Louis Friday afternoon.

Neighbors say they heard gunfire, and a man was found lying in the street. EMSA transported the victim to a local hospital where he was pronounced dead.

Police identified the victim as 31-year-old Ronnie Stanley.

According to Department of Corrections records, Stanley was previously incarcerated on drug-related charges.

Police said it's too early in the investigation for them to speculate on a motive for the shooting.

Anyone with information on the murder is asked to call Crime Stoppers at 918-596-2677 or the Homicide Tip Line at 918-798-8477.