him. lee bates served time after acting as richard matt s accomplice. he testified against him and in a phone interview with anderson cooper called matt evil. if you wanted to take a picture of the devil that s the face you would see. reporter: bates remembers matt shoving a knife sharpener in his victim s ear and breaking his fingers before killing him. i have seen him kill. he did kill mr. rickerson, his old boss in my presence in a fit of rage. he reached in to the car, grabbed mr. rickerson by his head and snapped his neck in front of me. reporter: matt worked for rickerson and was fired for poor performance,ing weeks before his murder according to trial. erik jenson knew richard matt