“Cutter knife creaks… Even after putting the knife away, it keeps coming back” Daejeon murder teacher was a time bomb [World &]

Teacher Myeong, in his 40s, repeated his bizarre behavior before the crime, had domestic strife during his leave of absence… After returning to work, he repeatedly put on and removed blue tape, and continued to wander the hallways. A fellow teacher who was assaulted suffered from insomnia due to fear. On the 10th, at an elementary school in Daejeon, Kim Ha-neul (