(09/09/10) FLATBUSH - A Brooklyn family is offering $6,000 to anyone with information leading to the arrest of their son's killer or killers.

Police say Brent Duncan was shot and killed on Saturday, June 19. His mother says he left his bed at about 11:30 p.m. to attend a barbecue. Police say they suspect the shooting is related to some old tension Duncan had with a girl in his former high school.

The NYPD is adding $2,000 to the reward.