It was crucial that the fight scenes were authentic on every level , especially for Zelon , who has strong contacts within the martial arts community .
Producer David Zelon trained in the Krav Maga Israeli martial arts system for two years .
It was crucial that the fight scenes were authentic on every level , especially for Producer , who has strong contacts within the martial arts community .
Producer David Zelon trained in the Krav Maga Israeli martial arts system for two years .