had a crime committed without an eyewitness, and this was a very, very close case. ballistic experts re-examined the evidence and the level of trajectory. if you re handing a gun, there is a lot of weight there. the chances of holding a gun to be perfectly flat, again, very, very unlikely, because i would expect it to be upward instead of straight across. the medical examiner found no gunpowder residue around julio torres entrance wound. so, investigators wanted to find out the distance between julio and the gun when it was fired. a bullet isn t the only thing that comes out of the rifle when fired. gases and gun powder do, too.