This isn't so much a story about the notorious murderer, but more one of two investigative journalists who meticulously followed the case and tried to establish the truth behind these gruesome crimes. Loretta McLaughlin (Keira Knightley) was largely responsible for taking the initiative to her editor (Chris Cooper) but that published, convincing, analysis drew considerable disdain from the police and she was swiftly booted off the story. Undeterred, she persisted and ultimately with the more experienced Jean Cole (Carrie Coon) is reinstated and allowed to develop her theory that - well, maybe t... read the rest.