Other people are trying to attribute what they are thinking, as though I have said such things - but I can speak for myself thank you very much...
As far as I am concerned, the face of the female in the dark image (a) is either, Sheila, or June. Which ever it was, thàt female does not show any signs of having been fatally shot between the eyes, or fatally shot under the chin. Absence of such fatal injuries, contained in the film footage which has the correct format and quality of film taken back in 1985, indicates that either Sheila or June, were not dead at the time the original footage was taken...