Lippert , 42 , suffered deep gashes to his hand when he was assaulted by knife-wielding nationalist Kim Ki-Jong in central Seoul last month . ' The attack happened at the end of a demonstration against North Korea's nuclear weapons program and came just days after South Korea began deploying THAAD anti-missile system on its border with North Korea.
Lippert , 42 , suffered deep gashes to his hand when he was assaulted by knife-wielding nationalist Kim Ki-Jong in central Seoul last month . 'It is an amazing apparatus , one I have n't seen before - so innovative and creative , ' he wrote on Facebook .