chris arranged payments, through other family members, not just for wendy's defense lawyer, for sam yenowine'sdy used a code word for sam's lawyer in their jail-phone chats, "bluegrass." >> bluegrass music is coming to them. >> okay. >> it should be going on right now. >> reporter: and when bluegrass got expensive -- >> bluegrass needs another benjamin. five-oh. hawaii five-oh. >> reporter: that is $50,000. >> i know. >> whatever. don't even get me started. but we will figure that out too. >> reporter: nancy sat in court listening to those recorded calls. they made it obvious who was in charge, she said. >> chris was trying to speak in code when he was saying, "don't worry. i take care of things. i'm the problem solver." >> reporter: the star witness, of course, was a man who, hired for a killing, prevented it. aaron wilkinson. here in court, aaron told the jury the whole, strange, tale. and as he did, for the very first time, aaron laid eyes on the man he had come to believe was behind it all. >> looking at chris latham in court was really the only good feeling i had about testifying. he's ju

meanwhile, grew more frantic by the minute withdrawal, he had to, he told them, just had to call sam yenowinehim, and very soon, said aaron, two things would happen. thing one, sam would find some other way to kill nancy before the monday deadline, and thing two, he'd come gunning for bethany and aaron. >> i was supposed to call him. >> what time were you supposed to call him? last night? >> just anytime. the earlier this morning, the better. >> okay. well, we were going to, we're going to make that happen. are you okay to make the phone call? >> i asked him to make the undercover call, to record sammy and to get incriminating information from sammy, regarding his participation in this plot. >> yeah. >> he didn't want to do it. and i think he was afraid, you know, to set sammy up. and it took a little convincing to get him to make that call. >> reporter: but he did. swallowed his fear, and followed the agents into a conference room, where they set up the call. >> this is an undercover phone call made to an individual known as sammy. >> hello. >> i'd rehearsed aaron, to some extent, of what to