So what does all this mean? Most of those shoes look like running or some other kind of sports shoe.
Hikers. My bet is they were all hikers.
A clue of sorts, but not much.
Maybe the killer is a local guide, or other person well known — and possibly well liked - on the many trails that much exist in the area.
So...were were two of the six individuals tripods or was one a quadraped? /s