CNN Anderson Cooper 360 July 3, 2013 05:03:00
>> reporter: in that book, he says zimmerman said martin tried to reach for the weapon on his hip, actually touching the gun. >> the defendant is claiming that the victim actually grabbed the gun, grabbed the -- >> that was my understanding, that he grabbed the gun. >> reporter: but a latent print technician found no trace of martin's prints but conceded rain could have washed it away. >> so fingerprints may have exited on an item that you have lift a latent from and there be no latents whatsoever, correct? >> correct. >> even though it's been handled by two or three people? >> that's correct....