Hi Dan, I'm not much interested in Shelley And Lovelady's stories......
Your curiosity knows no bounds Walt.
A murder has occurred and these two guys are telling co-ordinated lies about their movements in the immediate aftermath of the murder and your not interested.
Great stuff.
But, What do you think their was reason for lying right "off the bat"?
I strongly suspect the MC was not the assassination weapon, that it was already tucked away in its "hiding place" while the assassination was happening. Its sole purpose was to put Oswald in the frame for the shooting.
Unlike you, I believe three shots were taken from the SN window. If it is the case a "proper" rifle was used for the assassination it leaves the problem of getting this rifle out of the building before a search could begin.