There is no state law in New York State requiring the preservation of evidence. This article from the Philadelphia Inquirer helps explain why this is important. According to Innocence Project statistics, "Of the 261 exonerations involving DNA evidence nationwide, half involved a failure to provide exculpatory evidence to the defense at trial." Also keep in mind that many of those DNA exonerations required testing of evidence that still existed many years after the defendant was convicted and sent to prison. Had that evidence not been preserved, these innocent persons would never had the opportunity to prove their innocence. Remember, this evidence existed, was preserved but never tested. What about evidence that was never disclosed or revealed? Again, according to this article, "In many states, and under federal law, defendants are given access to government files after conviction. In Pennsylvania, that's not the case. So evidence that could prove that the wrong...