I´m with you 100%.
Two days ago I was looking, for hours, at that picture of the scenario/location the killer choose to place/pose part of little Jessica's body, and what came to my mind was; the killer is some kind of artist...a photographer?, a painter? or at least some kind of artistic perverted aesthetic.
(ironicly the WY/Cody photgrapher suspect, JS, popped out of nowere few hours later, and I was really chocked, especially due to that he was such a brilliant artist, some of his photographs almost Ansel Adams quality, and also his coice of motives indeed resembled the Jessica dumping location, he would have been a perfect match to the suspect I had in mind, a brilliant artist, but even sicker)
The scenario/location is desolated, yes, it's kind of creepy, or maybe more melancolic, secretive, mystical and in it's it own way bear a strange kind of beauty, especially the way the two trees, one living, one dead, the hills in the background with the ruin cabin, the sky above it all, by nature it's alltogether kind of composed into an alluring artistic picture.
This is of course all WITHOUT little Jessica's remains in it.
But that is IMHO possibly why the killer choose that very spot, it was possibley in his sick mind the perfect scene/stage for him to present "his (sick) work", and it would at the same time increase chock effect.
I belive, as I have posted before, that he also choose this area because it was isolated enough for him to not beeing cought, while dumping/posing the remains, and at the same time a perfect spot in order for "his (sick) work" soon to be presented/ found.
The fact that he dumped Jessica's backpack in a location where it would be found shortly after he placed it, IMO again point to that he in NO way want to hide his deeds.
The fact that he dismembered Jessica's body IMO has NOTHING to do with trying to hide her identity, insted I belive it is part of his fantasy/ritual.
I also belive that the killer has provided some kind of messages to the police, and I belive there are horrible circumstances concerning the way Jessica was killed and desecrated that the police have, so far, kept serect.
The killer is IMHO, under the surface, a:
psychopathic/sadistic/artistic /complicated/sophisticated/manipulating/perverted/attention-seeking person, who have the ability to blend in as a pretty normal person, and I do belive he has killed before.
Al just my humble opinion of course.