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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 as being a possible contributor to this mixture on the grip. i want to move next to the second part of the swab from the pistol trigger this time, on the previous exhibit that you examined, did you again perform or try to do the same testing, or tell us what that significance of that fdle exhibit 3 was, sir? the 21-b was a swab collected from the trigger of the pistol. i did not perform the chemical test for blood on that exhibit. the swab itself didn t give me an indication that blood might be present. okay. so this crime lab analyst is walking through these multiple swabs that he took on george zimmerman s gun to see whose dna was where. ....

Trayvon Martin , George Zimmerman , Pistol Grip , D Swab , Exhibit 203 , Exhibit 3 , 21 B , Crime Lab Analyst , State Exhibit 169 ,