[Ditto]

True. But if the first shot missed, why then did it hit the curb way down by the underpass, no where near in a line with JFK's limo at that point?

It was speculated that it clipped the top of one of the trees in front of the depository which threw it's trajectory off.

Anyone who has hunted knows that even the smallest twig can deflect a shot considerably.

[PRUE]

Another magic bullet.
One that just happened to hit in the same spot that a hurried parting shot at the fleeing limo could have hit.
Arlen Spector would be proud of such reasoning.