Exhibit 186 News Today

Amount of grooves and twists. there were six grooves and were a compatible width so the -- we call those class characteristics because it is possible for other guns to have six grooves with a twist of a similar width. it does help narrow it down. for instance if these had five grooves and my gun had six grooves then i could automatically eliminate it. the class characteristics of the bullets and jacket match. however, i was not able to, again, i could not identify it as being fired in that gun o...

Identification. we take a look at them and look at what kind of marks are there and see if we can find things. it varies from gun to gun. >> let me begin by showing you state exhibit 186 and asking you to refer to your report and tell me, is this one of the items which would be submission 1, item 2 that you reviewed for your purposes? >> yes, it is. >> and in looking at that one under a microscope, were you able to either identify or eliminate that as having been fired from the gun submitted to ...

Call them little sticks. i dont know how you referred to them. >> yes. >> are those one for the right, one for the left hand. >> yes. >> is the stick -- does it go under the finger nail all on the right and then the left. >> every fingers. >> okay. >> also as part of the autopsy is dna or a blood card taken from trayvon martins body. specifically states exhibit 186. >> yes.