In kind of a comical turn  in that particular case, one of the defendant's mother had found out that he was interested in going to Syria and had hid his passport.
피고인 하나가 시리아로  가려는 관심이 있다는 것을 그 어머니가 알게 되어  여권을 숨겨 뒀었다는 겁니다.