A Confession

Standing by the door, Jonason heard Miley's voice. He looked up and felt that there was something wrong. He ignored the fact that it was the women's bathroom and ran in.  The bathroom of this restaurant was large, with several cubicles. "Miley, where are you?" Suddenly, he heard something. The next second, everything was quiet.  Jonason was a little overwhelmed. What was going on? He quickly pushed open the doors individually. All doors could be opened, and there was only one that had been locked.  Jonason took a deep breath and kicked the door down. It immediately swung open. He saw what was happening inside.  Miley was slumped on the ground and seemed to have lost consciousness. There were red ligature marks on her neck, and her brows were tightly knitted, as if she just had a very uncomfortable experience before passing out.  There was a window in this cubicle. Since it was on the first floor, someone could have escaped. There were footprints on the toilet, indicating that someone h