The maps above show the flight lines over the airfield and past the crowd nice and parallel. But as we all saw, that wasn't what was happening, the P63 was coming in at a good 20-30 degrees to the bomber right over the airfield (hence how the wreckage ended up within the fence). In a way they were lucky that the P63 struck the bomber full on, and the wreckage fell as a composite of the two aircraft's relative inertia. If it had struck a glancing blow, while still pointed at the crowd (which it was) then it could have gone anywhere. The P63 should never have been flown like that, bomber there or not, and the so-called Big Boss should have waved it off and upward out of the way as soon as it started to develop. I mean, what else are they there on the radio for ?
Actually it reminds me, being used to the formal structure at UK GA airfields, land clear rule, etc, of using USA GA airfields, which (to me) seem to have a much more freewheeling, anything goes, approach.