COEUR D'ALENE, ID - JULY 5: Joseph Edward Duncan III appears at his video arraignment from the Kootenai County jail on two counts of kidnapping in the first degree July 5, 2005 in Coeur d' Alene, Idaho.
Idaho District Court judge Scott Wayman (inset) RIVERSIDE, Calif. - A convicted serial killer whose victims included two young boys, including one from Riverside County, died Sunday at a hospital in Indiana, authorities said.Joseph Edward Duncan died at the medical center near United States Penitentiary, Terre Haute, where he was on death row, according to a statement from prosecutors in Riverside County, California.Duncan, 58, had been diagnosed with terminal brain cancer.Duncan was convicted of killing four members of a family from Coeur.