The Black Widower
- Episode aired May 25, 2007
The case of 60-year-old Robert Merlin Spangler, who was suspected of murdering his wife, Donna R. Sundling Spangler, during a backpacking trip at the Grand Canyon in 1993.The case of 60-year-old Robert Merlin Spangler, who was suspected of murdering his wife, Donna R. Sundling Spangler, during a backpacking trip at the Grand Canyon in 1993.The case of 60-year-old Robert Merlin Spangler, who was suspected of murdering his wife, Donna R. Sundling Spangler, during a backpacking trip at the Grand Canyon in 1993.