死んだ配管工
犯人:
手掛かりカード
He was in the first column.
He was on the bed.
She was beside a plant.
She was on a carpet.
She was beside a shelf.
Someone else in his room was on a water puddle.
被害者 The Victim. He was alone with the murderer.
犯行現場マップ
主要アイテム
Bed 
Plant 
Carpet 
Shelf 
Puddle