Dream About Murdered Locker Room Gym

This dream was about

I was at the gym with school as school trip and I was there with my firends and peers I go and start my workout as I was working out I overheard someone and word was spread in the gym that someone was murdered in the locker rooms I go to check it out for myself and as I was making my was though the locker room I see puddles of blood mixed with water and I just barely got to see the persons head when I look away in shock and discuss of the scene I leave the locker room to see everything was still fine in the gym but the people that were aware of the body were trying to figure out what happened and how did it I had suspicions on a teacher that was regarding or just being loud at the front desk of the gym I share my suspicions with another adult