The First 48 (2004)

S8E4 Crashing the Gate; 6000 Motives

While waiting at the entrance of an apartment complex, two individuals are caught in a hail of gunfire. With minimal leads, detectives turn to the lone survivor for assistance in piecing together the mystery. Meanwhile, an elderly man invites a drifter into his home, but when the old man is later found dead, the drifter becomes the prime suspect. Detectives embark on a cross-state manhunt to track down this elusive figure.