None of the "clues" seem to add up to a "lost" child. That only seems possible if you leave some of the "clues" out of the equation. The most important information in this case is the timeline and the events as they happened. Basic information is missing here, that's why we can't begin to solve this mystery. You just keep going around in circles.
These are some things that I've been wondering about, and I will list them. I'm in no way trying to pin this on anyone in particular, at this time. I'm just trying to throw my thoughts down in writing. I remember this story in the news back in July 2015, but I haven't kept up with the case until this week. I've read through most of the threads, and watched or read the transcripts of interviews.
Here is my list, if I am to believe what the parents are saying:
1) First and foremost, as a parent, if my child went missing on a camping trip with only ONE stranger nearby, guess who I'd be suspecting? I'd be Screaming it to the high heavens, especially if my child wasn't found in a short time once searchers arrived. It wouldn't matter at the time if IR were innocent, because that is what normal parents would do, period!
2) Who, as a parent, with a stranger among them, would blame it on an abduction when nobody was around them when this happened?... No traffic, no other people or wild animals seen. Suspecting an abduction could only come into a parent's mind once the "stranger", IR, was TOTALLY cleared first! Why? Because he was a stranger to them and their child! It is the only logical thing that would keep popping into any parent's mind if no traffic, people, or wild animals were seen when Deorr went missing. Especially after hunting for him for hours with no luck.
3) Maybe the parents keep failing the two parts of the polygraph that ask, "Where is Deorr?", and "What happened to Deorr?", because the parents do suspect IR and don't really know what happened? If this is so, then why aren't they screaming for the authorities to investigate IR more thoroughly? They aren't. Know why? Because they either know he didn't do anything, or they know he helped them cover this crime up.
4) These parents want the spotlight off of all four of the adults that were at that campground. Why? Is it because IR, even if he's innocent, might remember details that put them in a bad light? Is it because IR really didn't see Deorr at the campground that day? Is it because they all had a part in Deorr going missing? I don't believe they are trying to protect Grandpa or IR. No, it seems they are trying to control the investigation. Anyway, who would protect someone for an accident and risk going to prison themselves? Especially if it were your child that was missing or killed?
5) I don't want to think the parents did something to Deorr, but yes, I have to go there. The word "NAP" that the dad used during the interview made me wonder about something. Notice that he mentioned "nap", but never talked about any of them actually putting him down for a nap. Why skip that? Why mention nap at all? I think dad did that unintentionally. He mentioned it because Deorr was cranky and possibly something happened that pertained to a nap. Parents all know that nap time is hard enough without being somewhere new and exciting. Maybe Deorr was fighting his sleep while trying to get him to nap? Maybe Deorr was especially cranky because he didn't sleep well in the SUV the night before? Maybe Deorr woke up very early that morning and didn't go back to sleep? Maybe Deorr wouldn't nap, so they did something about it...meds?...or worse?
6) Why were the parents perturbed by a witness putting a black truck at the store around 6pm instead of at the time they said they went to the store earlier in the day? Why so important to them? They would have certainly been around the authorities and searchers at that time, so that wouldn't have mattered. UNLESS the timing of the store visit is VERY important to them. Why? And why go back to the store and try to make the cashier REMEMBER them? They weren't suspects at this time. Why did the store visit have to be precise unless you were a suspect? Also, if it were important to you for a cashier to remember you during your visit, wouldn't you think up something that would have made that more likely to happen, like spill a drink, or talk about something easily remembered by the cashier? This leads me to believe that the store was not part of the plan. I think a receipt had to be provided because they mentioned the store. Maybe the store receipt unexpectedly hemmed them in to a tighter timeline, and now they can't get their stories precise?
I'm sorry for rambling on, but no matter what I try to think, I keep coming back to the parents. They have to be involved some sort of way, whether they did the deed or not. This was no abduction. If it were, the parents would have gone about doing things much more differently.