Chapter 6 A Half Bloody Palm Print (I)(13)

 “Reasonable!” Baron raised his thumb to me. “I agree with your reasoning. But why didn’t the murderer do it in a place where no one else was outside the housing estate, rather than after entering the room?”
I finally got stuck. “Did the murderer want to find something in his house?”
 “Since he is an acquaintance and knows Lewis’s resident, why didn’t he kill Lewis firstly, take the key, and then find it by himself?”