WILMINGTON, Del. (CBS) – New Castle County Police are seeking the public’s assistance in searching for a fourth suspect connected to the murder of a 21-year-old man.

The incident happened Sunday at about 9 p.m. on Robinson Lane near the Canby Park Shopping Center in Wilmington. Police say the victim, David Johnson, stopped at the Sunoco Gas Station on Maryland Avenue before heading home.

Upon leaving the station, the victim received a fatal gunshot wound, according to police.

The victim was transported to Christiana Hospital where he was pronounced dead.

Police are continuing to investigate the homicide. No arrests have been made.

Anyone with information about this investigation is asked to contact the New Castle Police Department at (302) 395-8110.

Watch & Listen LIVE