inside, investigators are trying to persuade chuck kaczmarczyk, to reveal finally the deadly day in 2006les on their faces, chuck talked. >> that was kind of like the combination of everything, knowing that what we had suspected was correct. >> nate understood falwell. the state was set for an epic, he said, she said, battle between two major league con artists. they couldn't know which story would win. nate was pretty sure the one finally telling the truth was chuck. >> we didn't suspect it anymore, now we know. >> in november 2015, in madison ville tennessee, martha and my clancy went on trial mcclancy went on trial. >> she was charged with conspiracy to commit first degree murder. >> matthew rogers was there to defend ann -- conspiring with her lumberjack, to make bob's death look like a suicide. then, stealing bob's benefits. the guilty verdict could mean the death penalty. but martha ann was fully able to defend herself with an absolute bait -- blanket denial. >> she maintained her innocence from the very beginning. she made it very clear that she wanted to speak with the jury, and