I once listened to a Pittsburgh-area local legend coroner named Cyril Wecht (RIP to one of the best public speakers it was ever my pleasure to see) go on about this for a half hour and the number of things that had to happen for the first time in human history in order for the warren report to not be entirely bullshit is staggering. A trained rifleman passing on an approaching shot in favor of a shot where the target is moving perpendicularly, hitting the shot anyway, then the target snapping back against the direction of applied force and developing an entrance wound bigger than the exit wound?