Sorry I forgot, but how did Rachel die? More specifically, what was the cause of death: shot, stabbed, strangled, beaten to death???
Maybe you can count, because these variations can rule out certain perpetrators... I'm also suspicious of Brooke, but I don't think she would use a knife on anyone or beat anyone to death... So in this case, a female perpetrator cannot be considered... However, I also like John- t, and I don't think she's the culprit... Even if we don't know much about her backstory... However, I have a theory, which may be silly, but what if Nyx is just messing with the players' minds and the killer is a completely unknown person whom we don't know, and only Rachel was in the wrong place at the wrong time (for example, they wanted to rob her and this happened)... in other words, we are straining our brains unnecessarily...