TK PIC Even before Patricia Arquette signed on to play Maggie Murdaugh in Hulu’s Murdaugh: Death in the Family , she was already “obsessed” with the infamous case of convicted murderer Alex Murdaugh. “I had been following it and watched documentaries and different shows about it,” she said. “I was just really doing a deep dive, looking at narcissistic personality disorder.” One of the things that fascinated Arquette about Maggie was her slow, tragic realization of her husband’s true nature. “I