John must have known about the size-12's or come across them somehow. Why should Patsy lie in the manner she did, if she knew JonBenet had been redressed in the size-12's, makes you wonder if she knew that JonBenet's size-6's were probably removed too?
Looks like John was intent on deceiving Patsy with those size-12's, thats why the Wednesday pair becomes important, he knew that Patsy knew JonBenet was wearing a size-6 Wednesday pair, hence the swap? Makes you wonder if he did a search for a size-6 Wednesday pair came up with nothing then went for the size-12's, or just went for the size-12's right away simply because they had a Wednesday pair.
Yes , something along those lines. All very bizarre. I just wonder what Patsy really thought once she was told about JonBenet's chronic abuse, was silence simply part of the deal with John, or was she actively involved, I'm willing to accept some degree of ignorance on Patsy's part, now that I think John deliberately deceived her? That stuff about Patsy being due to expire, might have meant she could accept any guilt and sentence if she whacked JonBenet, and be able to reveal who had been molesting JonBenet, since her sentence would be short-lived? As you say it was all appearances, no pinstripe arrows for Patsy!
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