Police have arrested two 19-year-old women in connection with the deadly shooting of a man at a Duluth area gas station.

Silvia Najarro and Jayce Villafana-Diaz were taken into custody Tuesday on charges of murder and aggravated assault. The two Lilburn women were identified as suspects in the death of 20-year-old Jamun El Winslow, Gwinnett County police investigators announced Wednesday.

Winslow was found dead Feb. 6 inside a vehicle near the Grande Club Apartments on Club Drive, not far from a Shell station on Pleasant Hill Road. Investigators believe he was shot at the gas station, got into the vehicle and crashed, according to police.

RELATED: Police ID man found dead in vehicle after shooting at Gwinnett gas station

Investigators believe the victim was shot at a Shell station on Pleasant Hill Road, got into a vehicle and crashed outside a nearby apartment complex.

Credit: Gwinnett County Police Department

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Credit: Gwinnett County Police Department

No information on a possible motive was released Wednesday. Najarro and Villafana-Diaz are being held in the Gwinnett jail without bond.

Detectives are still seeking tips in the investigation, police spokeswoman Cpl. Michele Pihera said. Anyone with information is asked to contact 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.

In other news: 

23-year-old Anitra Gunn vanished Friday in a neighborhood north of the city of Fort Valley.