Sister who killed and robbed film director may die in jail

A jealous sibling who stabbed her film director sister to death then took her diamond encrusted Rolex has been jailed for at least 22 years. Nancy Pexton, 70, slit the throat of Jennifer Abbott, 69, before leaving her dead on the floor of her Camden flat wearing just her knickers. Pexton, who had ‘spent her life on benefits’ and had become homeless, was jealous of her documentary making sister and had called her ‘evil.’ She covered her sister’s mouth with…