It’s hard to say the exact mix of mystery and intrigue that causes a true crime story to blow up. But one thing is true: the viral stories tell us something important about ourselves. Right now in Massachusetts, many people are fervently following the trial over whether Karen Read murdered her boyfriend, Boston police officer John O’Keefe. Some say she’s simply guilty, and some say she’s being elaborately framed by the police. Shirley Leung talks to Boston Globe reporter Sean Cotter and true crime podcaster Rebecca Lavoie about why this case has sparked so much interest. Email us at [email protected].