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Joseph Duncan

Joseph Duncan: Key person

Joseph Edward Duncan III is the murderer and kidnapper who attacked an Idaho family in May 2005. Duncan was 42 at the time, was a federal fugitive and a Tacoma native who had spent much of his adult life in Washington state prisons for sex crimes against children. On Dec. 3, 2007, after numerous legal delays and psychiatric evaluations, Duncan acted as his own lawyer as he pleaded guilty to 10 federal counts, including the kidnapping of the two children and Dylan Grone’s murder.