CNN Forensic Files January 4, 2015 07:20:00
>> sure enough, three out of the seven laboratories we tested came back with positive results for ethylene glycol. but we knew the only thing in those samples was propionic acid. >> when dr. shoemaker examined the graph shown to the jury during patricia stallings' trial, one showing the ethylene glycol found in ryan's blood, and next to it a graph of a known sample of ethylene glycol, he discovered a huge mistake. >> but the tragic thing is that no one bothered to actually superimpose the two like this. and when you look at it very closely and line up the injection point here and the internal ...