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And education had no relevance to the case. next, prosecutors called amy, a firearms expert with the florida department of law enforcement. she testified through tests on trayvon martin s clothes she was able to determine it was a contact shot that killed him. it is consistent with the muzzle of a firearm touching the outer sweatshirt and inner sweatshirt in contact. yes. reporter: the final witness, anthony, a crime lab analyst. attorneys focused on the question of whose dna was found on zimmerman s gun. you were able to exclude trayvon martin as having dna on the pistol grip, is that correct? yes, he was excluded to being in the mixture. reporter: court resumed friday when we hear from a ....
Touched. swabbed or the dna that you developed from the pistol grip of the defendant s gun was positive for blood, correct? yes. and then there was a mixture. the major was matched the defendant george zimmerman. yes. and you were able to exclude trayvon martin as having dna on the pistol grip, is that correct? yes. trayvon martin was excluded to being a possible contributor to this mix out grip. the hoodie was also tested by a firearms expert who said zimmerman s gun was actually touching the fabric when he fired the fatal shot. what did you find distance wise when you conducted the test with this particular sweatshirt? this as well was consistent with residues and physical effects of a contact shot. so again, evidencing that the end of the gun was against the material when it was fired? yes. the prosecution also pointed out the night he killed martin, zimmerman carried a fully loaded weapon with an additional round ....
Sara dallap is in sanford, florida. reporter: good afternoon, thomas. what we can expect tomorrow is more key witnesses, perhaps the medical examiner and we are hearing trayvon martin s mother will testify in what should be some of the most emotional moments of the trial. the judge indicated yesterday that the prosecution would wrap up then, but some of those key technical witnesses easily fill the day. first we heard from the state firearms expert who testified about the contact shot that killed 17-year-old trayvon martin, contact mooens meaning the gun was actually touching the sweatshirt, his sweatshirt, when it was fired. we also heard from a police crime lab analyst who stated that he found neither trayvon martin s dna under george zimmerman s fingernails, nor trayvon martin s dna on the pistol grip of zimmerman s gun. the defense raising questions about its external factors like storage or temperature could have affected those dna ....
Zimmerman was in class when the topic was discussed. neighborhood watch volunteer says he shot and killed the 17-year-old because he was beating him badly and feared for his life. carter talked how the law might be used in this case. the fact that there were injuries have a tendency to show or support that that person had a reasonable apprehension of fear. reporter: the prosecution tried to paint zimmerman as a wannabe cop who couldn t make the force. does the person indicate whether or not they have a reason for wanting to go on the ride-alongs? yes, sir. what is that reason? states here solidify my chances of a law enforcement career. reporter: a firearms analyst said the bullet hole in martin s hoodie indicates zimmerman s gun touched his clothes. the clothing displayed residues and physical effects consistent with a contact shot. reporter: john and tai, zimmerman claims trayvon martin grabbed his gun. but a dna expert testified he ....
And killer ambition. on the defense side, an inside look at how the criminal justice system works and sometimes doesn t. i want to start with you. the firearms expert testified the gun was touching trayvon martin s sweatshirt when george zimmerman fired. that s not what the autopsy showed. that s right. i find it mysterious. she did all of the right things. she test fired with the garments and concluded it was a contact shot. there were two garments the hoodie sweatshirt and underlying sweatshirt and the body. she s looking at gunshot residue, burned and unburned particles and the tearing and singeing of the fibers around the hull. the conclusion is clear and makes sense to me it was a contact shot. what is mysterious is the ....