shirley bell said she made a promise to her dying son, brian moses. would have been his 30th birthday, she is still working to fulfill that promise. news4's darcy spencer has her story. >> reporter: they're playing basketball at the laurel armory. but this game is not about who wins or who loses. it is about keeping alive a memory. a memory of keeping alive a memory of a man stabbed to death ten years ago. >> this case is probably considered a cold case, but to me i want to keep it hot. i want to keep it warm and out there. >> reporter: shirley bell is brian's mom. she organized the basketball game as a way to honor her son on what would have been his 30th birthday. he loved the game. >> i look at the calendar, yes, it's ten years. for me it's like it just happened. >> reporter: bell remembers when the police arrived at her home telling her her 20-year-old son had been stabbed. >> it was one stab wound from what i understand. and it punctured his lungs and his heart. >> reporter: brian lived for three weeks an when the doctor told bell her son wouldn'

i want to keep it out there. >> reporter: shirley bell is brian's mom. she organized the basketball game as a way to honor her son on what would have been his 30th birthday. he loved the game. >> i look at the calendar yes. it's ten years but for me, it's like it just happened. >> reporter: bell remembers when the police arrived at her home telling her her 20-year-old son had been stabbed. >> it was one stab wound from what i understand. and it punctured his lung and his heart. >> reporter: brian lived for three weeks and when the doctor told bell her son wouldn't make it through the night, she made him a promise. >> i said to him, basically on his dying bed, that, you know i will find out who did this to you and bring him to justice and that's something that haunts me every day, that i have not been able to get that closure. >> reporter: so every year she does something to remember brian. and she is still working to fulfill that promise she made to him a decade ago. >> and that was darcy spencer reporting. now bell believes that her son knew his killer.