Oswald in the doorway: the blog of the Oswald Innocence Campaign, by Ralph Cinque

Unger, we don't even see Mary Moorman with her camera raised in this, plus, the very idea that she would have waited that long to take her picture when she was prepared to take it from the time that Kennedy was at the time of the hill is ridiculous. 

I think my theory is correct, that earlier than this, Hargis must have braked more to the slowing than Martin did, this Martin temporarily gained on him by slowing down less.