Gabriel Kaburaya

Gabriel Kaburaya is an American officer who is sent to the garrison in District 23 to eliminate the mafia influence.

Background
Gabriel's parents were killed in a car accident when he was young. His younger sister narrowly survived the accident, however, the car that hit their parents was a mafia getaway car and Gabriel's sister was assassinated in the hospital in order to ensure silence.

Season 3
Gabriel orchestrates "Operation: Great Justice," resulting in the death of Stella Maiougi.