Joseph Edward Duncan III (born February 25, 1963) is an American convicted serial killer and sex offender who is currently serving multiple death sentences and life sentences in conjunction with the 1997 kidnapping and murder of Anthony Martinez of Beaumont, California, and the 2005 kidnapping and murders of members of the Groene family of Coeur d'Alene, Idaho.He has also confessed but not been charged with the 1996 murder of two girls in Seattle, Washington.

Film Duration: 43 min