A scene from “Unfinished Business”

Billy Simms: [after Jessica exposes him as the murderer] Okay, okay, okay. Oh, God, I did it. About three weeks ago, I tried to work up the courage to tell him who Kay really was. I kept putting it off because I was afraid. Well, I finally screwed up my guts to tell him and he told me, warned me never ever to mention it again to anyone. I watched her grow up, Mrs. Fletcher. I saw her turn into a fine young woman. She's bright and talented and independent. I figured she deserved his recognition.

Jessica Fletcher: Then Kay doesn't know?

Billy Simms: Her mother, Olivia, she was the only one who could ever stand up to Bennett. He offered to marry her. She turned him down. Must have transferred his hatred for her onto Kay. He told me to fire her, discredit her. Mrs. Fletcher, I sold out my whole life to that man. But, well, you get to a point where you just can't take that final step.