on november 1, 2010, the jury concluded marjorie diehl armstrong was all sound and fury with no defenseguilty on all counts. and marjorie being marjorie, she let her attorney have it. >> after the verdict came in, she turned to doug sughrue and said, "you failed me miserably." and looked at the jury and said, "i'll be back. we're goin' to appeal this." and then she was led out of the courtroom. and everyone assumed she would receive a life sentence, which she did just a few months later. >> reporter: for agent clark, the end of a long quest to solve this wicked scheme had finally arrived. who's your mastermind in the pizza case? >> number one, marjorie diehl-armstrong wanted her dad dead. and in order to do that, she needed money to hire ken barnes to kill him. that's why she wanted to rob the bank. but the scheme in how they robbed the bank and the scavenger hunt and the notes and all the involvement in the case related to the bank robbery itself was bill rothstein. >> reporter: both their thumbs are on the scale. but his is pushing down a little heavier. >> i -- i really believe so. a