Series of one-off dramas featuring big name guest starsWhat does it take to drive apparently ordinary human beings to murder? In a BBC season of groundbreaking original movies, Murder in Mind takes viewers on a journey into the psyches of a disparate collection of killers. Exploring the psychology behind the darkest and yet most compelling crime of murder, each of the seven movies explores the ultimate crime through the eyes of the murderer and asks, not whodunit? but whydunit?Cold, calculating and in searc…