What happens when your gut says “danger,” but your sister’s already in too deep? J. Smith-Cameron opens up about playing Marian Proctor in "Murdaugh: Death in the Family."

J. shares why she chose not to contact the real Marian, the guilt that must hang over the family, and how she felt protective of a woman trapped in an impossible emotional position.

She also reveals the scene that scared her most to film and what she thinks keeps all of us glued to true crime.