CSI: Crime Scene Investigation - Season 3 Episode 13
Random Acts of Violence

Warrick investigates the drive by murder of a young girl in his old neighborhood. The girls father is a friend and mentor of Warricks as well. Warrick struggles to control his emotions to the point where Grissom pulls him off of the case. Nick tackles the murder of a computer company employee. The only supects are the three other employees in the building.