her supporters, particularly wade burnett, her 20-year-old son from a previous marriage, went back tot was used to convict her, claiming crucial details were misrepresented. he found that prosecutors had not disclosed a report that contradicted their own case. it had been done by herbert mcdonald, a highly regarded blood spatter expert. he had examined the gown susie mowbray was wearing when she allegedly shot her husband. >> the evidence i examined strongly suggested that that garment wasn't anywhere near bill mowbray when he was shot. and of course, that would assist the defense and not the prosecution. >> mcdonnell was never called to testify. instead, the prosecution's other blood analyst, sergeant dusty hesku, testified that he found 48 separate blood spatters on susie mowbray's gown. this was a particularly damning piece of evidence. he said he used luminol to examine the gown. luminol is a chemical that causes blood to glow, or luminesce, even after it has been cleaned. the effect only lasts for about 30 seconds. time, hesku said, to measure all the blood spatters. this is a cl