Episode 107, "He Knows His Brother"
Today 2|1c AM
SEASON 3, EPISODE 309 - "The SRU are in search of a man who stopped two local drug dealers from vandalizing a local restaurant only to take their gun and hunt down them and other local drug dealers who he believes burnt down his family store and are the reason for his younger brothers death from an overdose. The mission is to track him down before he crosses the line between good citizen to vigilante killer. When Sam jumps off a command truck, its unclear whether he has been felled by gunfire."