He was secretly killed by Professor Moon after he attempted to reveal Professor Moon 's wrongdoings during a book launching activity .
He was one of the victims of Professor Moon 's abusiveness , from which he got his injured arm .
one was secretly killed by Professor Moon after one attempted to reveal Professor Moon 's wrongdoings during a book launching activity .
He was one of the victims of Professor Moon 's abusiveness , from which he got his injured arm .