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Family. the best way to help the decedent at this point is to remain objective. >> on this day, her job is clear cut. >> we want to determine the cause of death. in a case of a gunshot wound case, we're going to recover the bullet or bullets. the posterior aspects -- >> whatever she finds will be turned over to investigators. >> my role is to do a complete examination, to gather all of the physical evidence that i can, to document that physical evidence to the best of my ability and by doing so, that allows the victim to tell me the story and then i should tell the story to those people who ha...

>> we can, by looking at the skin surface, get an estimate as to how far away the muzzle was from the skin surface when the trigger was pulled. she shows what's called stippling or tattooing, which is when the burned and burning gunpowder particles strike the skin surface and create little injuries. it also told me that the muzzle of that gun was relatively close. it was within a couple of feet away from her when that trigger was pulled. well, what we're going to call this is intermediate range. that can be obviously crucially important in the overall case. all right. right lung. >> for as lon...

Ear. >> 5/16 inch horizontally. >> generally wounds to the torso we do those based on how many inches above the heel. but we're always trying to work on establishing landmarks. >> a penetrating gunshot wound of entrance. >> the appearance of a gunshot wound can help dr. corey estimate the distance from which the gun was fired. >> contact wounds where the gun is held against the skin surface look significantly different than wounds from an indeterminate range, from several feet away. >> it's important physical evidence for police investigators who are interviewing eyewitnesses and suspects. soo...

Close range wound. she shows what's called stippling or tattooing, which is when the burned and burning gun powder particles strike the skin surface and create little injuries. what we're going to call this is intermediate range. >> she tries to estimate the path of the projectile through the body. >> scalp demonstrates a one quarter inch roughly circular gunshot wound entrance. on the right side. which would again be consistent with the shooter being in the back seat, kind of in the middle. >> any bullets are retrieved as evidence. >> there's that one. >> one down. >> one down. >> in cases wh...

The best way to help the decedent at this point is to remain objective. >> on this day her job is clear-cut. >> we want to determine the cause of death. in a case of a gunshot wound case, we're going to recover the bullet or bullets. the posterior aspect -- >> whatever she finds will be turned over to investigators. >> my role is to do a complete examination, to gather all of the physical evidence that i can, to document that physical evidence to the best of my ability and by doing so, that allows the victim to tell me the story and then i should tell the story to those people who have the rig...