"Black-hearted, unattractive hag Rosa (Bette Davis) was first viewed when she lept up in the jammed and crowded courthouse and screamed out that she was innocent: "Why should I kill him? Someone tell me that! Why should I want to?" She was referring to an ""accidental"" murder that occurred five months earlier."There, they also found Dr.Marcus and a very-resistant son David (revealed to be Kirk""s son) hiding underground in a bunker.When ordered to kill Kirk, Terrell turned his phaser gun on himself, while the eel controlling the resistant Chekov exited from his ear and was destroyed.It was a "gene therapy that allows the brain to create its own cells in order to repair itself" - a process called neurogenesis.The deranged deck-hand wielding a large knife, fleeing from McCulloch with a flare gun, was axed in the back(# 12 death)(off-screen).