A killer's bite marks and a jailhouse snitch lead to a murder conviction in a case gone cold for eight years, and a group of super sleuths try to solve the slaying of 18-year-old Jamie Weiss, found dead in her bathtub in 1996.A killer's bite marks and a jailhouse snitch lead to a murder conviction in a case gone cold for eight years, and a group of super sleuths try to solve the slaying of 18-year-old Jamie Weiss, found dead in her bathtub in 1996.