>> and how much money did joe pay to have his wife killed? >> what's the cost of a life? i'll tell you, 150 bucks u.s., plus 1,000 pesos for transportation. next to nothing. >> the information taken off the disk was 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 to soliciting his wife's murder. >> he said it was borne of marital turmoil, but he did not admit to -- it's a little mercenary to say, well, i took out $200,000 on my wife and i wanted to kill her and get that to live on easy street. he would not sign up for that. >> according to the forensic evidence, at joe's request, lucy hired her two uncles and another man to kill his wife. since he worked for the office of special investigations he asked his wife julie to help him with one of his cases. he asked her to drive off base