The First 48 - Season 18, Episode 01: Spree Killer
Trailer
The eighteenth season begins when a young man is found executed on the street and a second victim is already killed nearby. Meanwhile, investigators scramble to hunt down the dangerous gunman before he is killed again, while in Georgia's Gwinnett District, a teenager is killed outside a nightclub where he appears to be facing a bad turn in front of a group of dangerous gangs.