NBC News correspondents Keith Morrison, Josh Mankiewicz, Stephanie Gosk and Andrea Canning examine the final day of a victim’s life – the split-second decisions and pivotal moments that made the difference between life and death. Detectives retrace those crucial hours looking for clues to solve the mystery.
![](https://image.tmdb.org/t/p/w342/lDNUQhxz1KsT492gYD9tFeg3u9j.jpg)