it corroborated her story and added credibility to her story and the story of her uncle who gave full statements. >> and how much money did joe pay to have his wife killed? >> what's the cost of a life? it was 150 bucks u.s. and 1,000 pesos for transportation. next to nothing. >> the information taken off the disk was absolutely critical. it was crucial. it put the nail right in the middle of the coffin. >> when confronted with the information from the disks, sergeant snodgrass pled guilty soliciting his wife's murder. >> he said it was borne of marital turmoil but he did not admit -- it is mercenary to say i took out $450,000 on my wife and wanted her killed to get and live on easy street. >> according to the forensic evidence at joe's request, lucy hired her two uncles and another man to kill julie snodgrass. since joe worked for the office of special investigations, he asked his wife julie to help him