Mr. Findley opined that the final position of the ejected shell casings and the lack of blood spatter on the left arm leads him to conclude that the “upside down gun” theory could not have occurred.
http://www.justiceformichelle.com/FDLE.pdf
Two Gunshots On a Summer Night
A Deputy’s Pistol, a Dead Girlfriend, a Flawed Inquiry
http://www.nytimes.com/projects/2013/two-gunshots/