A man was shot and killed outside a Gwinnett County shopping center early Saturday morning.

Gwinnett police were called to the Sportstime Bar and Grille in the 3600 block of Satellite Boulevard in unincorporated Duluth around 2:30 a.m. Officers found the victim dead in the parking lot with at least one gunshot wound, police said in a news release. He was identified as Kevin Blackwell of Duluth.

Officers said there was no known motive for the shooting, but they are working to determine what led up to it. A suspect has not been identified.

Homicide investigators ask anyone with information about the shooting to call Gwinnett County detectives at 770-513-5300. Tipsters can remain anonymous, and be eligible for rewards of up to $2,000, by contacting Crime Stoppers Atlanta at 404-577-8477, texting information to 274637 or visiting the Crime Stoppers website.