Join 48 Hours correspondent Erin Moriarty for her riveting new podcast series "Fifteen: Inside the Daniel Marsh Murders". When beloved couple Claudia Maupin and Chip Northup are brutally murdered while sleeping in the peaceful college community of Davis, California, police are left with more questions than answers. With no evidence, weapon or motive, authorities struggle to track down the killer. Who would commit such a heinous crime and why? Months later, a tipster calls to reveal intimate details of the crime. And the mastermind behind it all? Well, he was just fifteen. Listen to episodes wherever you get your podcasts.