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About the four swabs that were taken from the defendant's gun. the first one i want to talk about is the swab taken from the pistol grip. if you could, using that part of state's exhibit 203, tell us the significance of your findings there. and just describe each part that is shown up there. hopefully the jurors can all see that. it's got an fdle number, right, exhibit number? then you've got a description of what it is. swab 21-a from pistol grip. is that correct? >> we. this is basically a summary of the testing i did, the results of that testing and the statistical analysis. over here, this...

>> 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 ...