It happened around 4:00 Saturday morning at the Coachman Manor Apartments on Gibbsboro Road.
Authorities say 25-year-old Ever Santos was found shot multiple times in his apartment there.
He was taken to JFK Hospital Stratford where he was pronounced dead.
Police described the suspect as a black male standing about 5'10" tall, with a stocky build. He was wearing all black clothes and Timberland boots.
Anyone with information on the incident is urged to contact the Camden County Prosecutor's Office at (856) 225-8523 or Lindenwold Police at (856) 784-7566.