Air Sample Tests News Today

From caseys car for evidence of human decomposition. youre seeing live pictures as we get them from court. were going to bring in our next guest, his name is seri l west, a forensics expert. dr. west, what are these air sample tests, how do they work? >> well, they took air sarpels from the -- samples from the car and what they intend to show through gas c rhmotogography, that these represent the gases formed when a human body de composes. this is very, very rare if not unique. i think there wil...