It happened around midnight Thursday at the Fast Trac gas station in the 300 block of Mulberry Street.
Upon arrival, officers found a 26-year-old male victim on the side of the gas station suffering from multiple gunshot wounds.
He was taken to Capital Health Regional Medical Center where he was pronounced dead a short time later.
The victim has been identified as Jaquir Queen of Willingboro.
Officers also learned of a second victim, a 23-year-old male from Hamilton, who had arrived at the hospital by a private vehicle. He sustained a gunshot wound to his calf.
No arrests have been made.
Anyone with information is asked to contact the Mercer County Homicide Task Force at (609) 989-6406.
MORE TOP STORIES:
- Witness describes moment of fatal restaurant shooting