When a woman's remains found in a swamp outside Savannah are identified, friends are stunned. They had been told Mindi Kassotis died in a hospital. But five months later, authorities say she was murdered. Investigators ultimately focus on her husband, Nick Kassotis, as they work to unravel how she appeared to die twice, and what really happened in the months between. 48 HOURS correspondent Erin Moriarty reports in "The Woman Who Died Twice."

In the summer of 2013, Minnesota resident Gary Herbst seemingly vanished. But before anyone realized he was missing, neighbors noticed something strange: late one night, they watched a rolled-up carpet being carried out of his home. Years later, investigators would uncover a startling discovery that revealed what really happened. In an exclusive interview, 48 HOURS correspondent Peter Van Sant speaks with Gary Herbst's son, Austin Herbst, about why he killed his father.