Victims
Nancy Spangler, 45
David Spangler, 17
Susan Spangler, 15
Donna Sundling, 58
Find-A-Grave: Nancy Jane Stahlman Spangler
Find-A-Grave: David Andrew Spangler
Find-A-Grave: Susan Elizabeth Spangler
Find-A-Grave: Donna Rae Marsh Spangler
Profile: Robert Merlin Spangler “The Black Widower”
FBI: The Case of the Homicidal Husband
A Killer Who Thinks He Is ‘Interesting’
Murderer who shoved wife into GC admits guilt
Murderpedia: Robert Spangler
Wikipedia: Robert Spangler
Find-A-Grave: Robert Merlin Spangler
Books
Married To Murder
Podcasts
Into the Killing: S3 Ep68: Robert Spangler
My Favorite Murder: Mr Zip
Park Predators: The Widower
Mask of Sanity: Robert Spangler – Colorado Serial Killer and Child Murderer
Movies/Documentaries
Investigation Discovery: Blood Relations: Robert Spangler
Devil Among Us: A Trail of Blood
Crime Stories: A Way with Murder
Killer In Plain Sight
Cold Case Files: Pride and the Fall
The Investigators: The Black Widower
Wife Killer: Robert Spangler (YouTube video)
INMATE INFORMATION
Name: ROBERT MERLIN SPANGLER
Register Number: 29442-013
Age: 68
Race: White
Sex: Male
Deceased: 08/05/2001