I just watched the documentary the other day from 2016. The Case of: JonBenet Ramsey. In the Doc., it was stated by F.B.I. profiler Ron Walker (who went as a behavioral analyst that morning) that he had told Linda Arndt to busy JR with the search of the house. This was done right after learning about JR's hour and a half disappearance. The idea was to busy him and keep eyes on him so that he would not go missing again. He called it "Kindergarten Make-work." After giving JR this task it's said that he grabs FW by the arm and makes a bee-line to the basement door, opens the basement door, says something about finding his daughter, and then turns the light on.
Walker goes on to state that in nearly every staged crime scene he's been on the perpetrator manipulates the arrival of friends/family members to bear witness to the discovery of the body or make the discovery themselves.
It was of interest to all investigators how he knew and called out that JB's body was there before he cut the light on. Walker, when asked how JR replied to that question himself, stated he was never asked. It was his understanding of the outlook laid out for the Police Department that day that they were to treat the Rs as victims and with kid gloves.
I believe JR either:
1.) already knew she was there
2.) discovered her there during the hour and a half he was m.i.a.
3.) moved her there during the hour and a half he was missing.
I'm just not completely sure which one I think. Although I lean more towards he already knew she was there and spent that hour and a half staging and tidying up a bit. It is said he was visibly agitated when he returned from his time away.
I do not believe JR, FW, LE, or you and I could have seen JB's body without the aid of light. You probably could have made out that there was a pile of something on the floor. However, I do not believe you could have instantly made out that it was JB without the aid of light. Especially when you are looking for signs of someone entering the home and disturbing things from their normal place. Even more so when you are under the assumption per the RN that a small foreign faction has kidnapped JB. I don't feel you would automatically see a blanket in the dark and think Hey!, it JB's body let me tell everyone, and then cut the light on just to be sure. Yep! That's her alright let me just grab her and take her upstairs to show everyone.....Nope, nope, nope!! Not buying it one bit!!!!
The Case of JonBenét Ramsey (2016) | WatchDocumentaries.com