a phone interview with anderson cooper called matt evil. >> if you wanted to take a picture of the devil, that's the face that you would see. >> 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 into the car, grabbed mr. rickerson by his head and snapped his neck in front of me. >> matt worked for rickerson and was fired for poor performance just weeks before rickerson's murder, according to testimony at trial. >> i don't understand that. >> eric jensen knew both richard matt and david sweat. he served nine months in clinton correctional facility in 2011 for possession of stolen property. he worked in the tailor shop with both fugitives, and