Detailed text transcripts for TV channel - MSNBC - 20111119:18:46:00
Forensics, the forensics aspect of the arson investigation. >> to help him, white hires an austin-based arson specialist and retired chemist named gerald hurst. hurst starts his investigation by examining the state's strongest evidence, the so-called pour patterns. >> without those patterns on the floor, no case would have ever been developed. >> based on the new science, there is a different explanation for the patterns the investigators found. it is not arson. >> what occurred between 1987 when he was tried and convicted and 2004 was a development in the science of arson. where suddenly, the...