(Snip) The death weapon was a Kel-Tec PF9 semiautomatic 9mm pistol. It has been reported that the gun was recovered with a full magazine and that only the chambered round had been fired. This is a condition we associate with something preventing the gun from cycling a fresh round from the magazine into the chamber after the shot was discharged. One thing that can cause that is another man’s hand wrapped around the pistol, retarding its slide mechanism. This would indicate, as could certain gunshot residue patterns or cuts in certain places if found on Trayvon Martin’s hand(s), that a...