[kanawa]

No sample of Martin's voice was available to test.

Mr Owen was unable to compare the screams to those of Trayvon's because he does not have a sample of the teenager's voice.

http://www.dailymail.co.uk/news/article-2123492/Trayvon-Martin-case-Experts-say-desperate-cries-help-George-Zimmerman.html

[moehoward]

So the outcome of this crack analysis is, there’s some 50% chance it’s Zimmerman, and zero percent chance it’s Martin.

Got it.