Joseph Edward Duncan III
Joseph Edward Duncan III

Joseph Edward Duncan III

October 08, 2025 3:00am
41:47
Season 1
Episode 7
Explicit

Joseph Edward Duncan III (February 25, 1963 – March 28, 2021) was an American convicted serial killer and child molester who was on death row in federal prison following the 2005 kidnappings and murders of members of the Groene family of Coeur d'Alene, Idaho. He was also serving 11 consecutive sentences of life without parole for the 1997 murder of Anthony Martinez of Beaumont, California.  Additionally, Duncan confessed to — but had not been charged with — the 1996 murder of two girls, Sammiejo White and Carmen Cubias, in Seattle, Washington. At the time of the attack on the Groene family, Duncan was on the run from a child molestation charge in Minnesota.

Episode Details

Duration:41:47
Published:October 08, 2025 3:00am
File Size:38.3 MB
Type:audio/mpeg

About This Episode

Joseph Edward Duncan III (February 25, 1963 – March 28, 2021) was an American convicted serial killer and child molester who was on death row in federal prison following the 2005 kidnappings and murders of members of the Groene family of Coeur d'Alene, Idaho. He was also serving 11 consecutive sentences of life without parole for the 1997 murder of Anthony Martinez of Beaumont, California.  Additionally, Duncan confessed to — but had not been charged with — the 1996 murder of two girls, Sammiejo...

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