Things never seem to clearly add up for anything in this case. Sometimes it's maddening, but I supposed that saw hat keeps me so addicted.
If the flashlight has no prints on the outside, no prints on the batteries, and is foreign to the Ramsey's, why didn't they go off about that ?
"Hey, wtf is that giant murder light doing there? Investigate that"
then again, they were there all day watching people dust for prints. It would seem to me they would know what something that had been dusted looked like. I recall that JR later described the light as a "dirty flashlight" and said that's why he didn't recognize it as being theirs.
Another strange thing to me to me is why wouldn't JR just go ahead and say some of the doors were unlocked, or even just one? I get so confused at times as he clearly behaves so suspiciously at some times and so honestly at others. (For the record, I try to stay open minded when reviewing information, but I do lean RDI)
I agree that at times John acts fairly like I'd expect, and other times not. One idea is from Andreww, who thinks John wasn't a part of the murder OR coverup until he made a conscious choice to join in later. Another idea with the things brought up about saying doors were closed/locked, etc, is that they both might have been in on it, and trying to blame the housekeeper, who would have a key. The note was left where the housekeeper left notes, for one. (Or, I should say, it was claimed it was left there.) Also the Ramsey's were quick to bring her name up, and bring up the fact that she asked for money.
Housekeeper doesn't make good sense though as suspect and was ruled out anyway. If i didn't know she was ruled out, I would have ruled her out. As the housekeeper she would have been privy to a lot of inside information about when the Ramsey's were leaving for the night, etc. Christmas Day was probably the most dangerous time for some kidnapping plan, especially because she would have known the Ramsey's would be up at the crack of dawn for an early flight. And with money as her main possible motive, she would have at least removed the body from the house in an attempt to get some money. Lastly, JBR would have recognized her, and with a kidnapping plan the idea is to exchange for money and then never get caught. If she traded JBR in, it would take about 2 seconds before JBR said exactly who took her.
Another note, I think JR claiming the flashlight was 'dirty' was an attempt to distance himself from it. I think he may have even been implying an intruder brought it and it wasn't theirs. They said this about a Santa bear, and something else IIRC. The bear was a pageant prize, though.
Similar to your idea with JR seeming to be pretty honest early on, I felt like the main detail that made me wonder about IDI in recent days was Patsy basically pointing out all the dumbest things in the ransom note. In PMPT she was reported to have said things like, "But John isn't even from the south!" The main way I can explain her need to point things out is because, it's a good way to lie, or it was a good way to suggest the intruder didn't even know John very well. Also she could have been realizing some of her own mistakes when writing it, and pointing them out as someone
else's mistakes to make herself appear innocent.
But I do know what you mean, this case is so complicated. It's also what draws me to it so much, like you. Personally I'm to the point where I'm 99.999% sure RDI, but I am still trying to figure out the events that occurred that night, and which Ramsey's were involved in what actions.