i am actually suspecting there might be 2 killers! Lee Dong Shik and his friend Park Jung He! because if i am…
Or that he was the first to discover the fingers but decided to move them so he won’t be a suspect like before.. I am guessing he was still on the phone and head her greeting someone familiar then he went looking for her to hand her the keys, thus discovering her fingers.... he then went back and met with his friends at the restaurant while trying hard to keep quiet about it. and maybe looking for any suspicious behavior - like he suspects that the culprit is one of his friends...