Lost Memories, Key Clues to Multiple Murder Cases

When I woke up, the silence was so eerie that I couldn't remember anything. "Where is this?" My head hurt. I touched my forehead and my hand was moist. There is a white note on my bedside table. The red words are particularly conspicuous - "You are next". When my sister was found, she was in pieces. There is a closed list in Dad's room, and all the people on the list died mysteriously. My mother often goes out in the middle of the night wearing a raincoat, but it doesn't rain outside.