That is mostly just your subjective interpretation of his motives. He doesn't remember every mundane detail with scientific precision or answer every such question consistently. That doesn't mean he is lying or getting his story straight. It just means he is not particularly precise or consistent when recounting what were mundane events down to the minute at later dates. These types of details take on greater significance to us with 50+ years of knowledge of the events than to someone who just had lunch that day not realizing his every movement would be subject to scrutiny. There are numerous instances in this case of folks being wildly off in their estimate of the time that certain events occurred. Someone once went through a entire list here on the forum of witnesses miscalculating the time that certain events occurred that day including obvious ones such as the time that JFK was assassinated and getting it wrong.
"He doesn't remember every mundane detail with scientific precision or answer every such question consistently."I couldn't agree more. We're all human and fallible to say the least.
My memory isn't that great at the best of times and if I was asked to recall my movements from a few hours ago I have little doubt there would be lost details, incorrect times etc.
But one thing I feel confident about is that
I wouldn't remember something that didn't happen. Which is what BRW appears to have done. The mundane detail that seemed to slip from his mind was that he went up to the 6th floor alone, spent the better part of half an hour up there and then went down to meet up with Norman and Jarman on the 5th floor minutes before the motorcade arrived.
Instead, he remembers meeting up with Norman and Jarman on the first floor and going up to the 5th floor with them!
He's not being asked to remember something from 50 years ago. It was earlier that day and his recorded statements don't change with time.
Maybe it is my "subjective interpretation" of events.
We'll have to agree to disagree on that.