DNA Testing http://wesa.fm en When Trying Cold Cases, Time Can Be the Biggest Challenge http://wesa.fm/post/when-trying-cold-cases-time-can-be-biggest-challenge <p>We've made considerable advancements in the last several decades of forensic science.&nbsp; DNA testing has given us the ability to pinpoint culprits that may have never been caught just a few decades ago.&nbsp;</p><p><span style="line-height: 1.5;">This opens up the possibility for cold cases like the <a href="http://www.post-gazette.com/local/west/2013/11/13/Memories-of-1979-homicide-dim-at-trial/stories/">recent trial </a>of the 1979 Catherine Janet Walsh homicide to finally go to court, and for justice to hopefully be obtained for the victims.&nbsp;</span></p><p>But new evidence doesn’t always mean justice will be cut and dry.</p><p><span style="line-height: 1.5;">Essential Pittsburgh legal contributor and University of Pittsburgh law professor David Harris, says the most difficult challenge when opening a cold case is tracking down witnesses.</span> Mon, 18 Nov 2013 21:02:15 +0000 Katie Martin 20011 at http://wesa.fm When Trying Cold Cases, Time Can Be the Biggest Challenge