They were identified as those of Dylan Groene. Two days later, investigators found human remains at a remote makeshift campsite in the Lolo National Forest near St. Police arrived with their lights off, drew their weapons and entered the restaurant. She was with a man.Įmployees called police and positioned themselves to prevent the man from leaving. In the early morning hours of July 2, 2005, Shasta Groene was recognized by employees and customers inside a Denny’s restaurant in Coeur d’Alene. Two of Brenda Groene’s other children, 9-year-old Dylan and 8-year-old Shasta, were missing when authorities got to the house.ĭuncan had taken the children into the wilds of western Montana, where he tortured and abused them for weeks before killing Dylan. Then he beat them to death with a hammer. Using night-vision goggles, he broke in and tied up Brenda Groene, 40 her boyfriend, Mark McKenzie, 37 and her son, Slade Groene, 13. He pulled off the road and started surveillance of the home. He spent much of his life in prison.ĭuncan’s most violent string of crimes occurred in May 2005, when he was driving across the Idaho Panhandle on Interstate 90 and spotted two children playing in their swimsuits in the yard of a home next to the freeway. – Judge upholds 2 death sentences for Joseph Edward Duncan IIIĭuncan was a registered sex offender, telling a therapist that he estimated he had raped 13 younger boys by the time he was 16.
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– Serial killer on federal death row dies at Indiana hospital.The native of Tacoma, Washington, had recently been diagnosed with terminal brain cancer. “He was held accountable.”ĭuncan, 58, died Sunday at a hospital in Indiana near the United States Penitentiary, Terre Haute, where he was on death row. “His crimes were all publicly acknowledged and reviewed by a judge or jury,″ Whelan said Tuesday from Coeur d’Alene, Idaho. She prosecuted him in what she described as the only federal death penalty case in Idaho history. Attorney Traci Whelan believes all of Duncan’s killings were revealed in court. Following his arrest in 2005 for the slayings of that Idaho family, the FBI reviewed unsolved missing child cases nationwide.Īssistant U.S. Some question whether Duncan, whose victims included four members of a single family, killed even more people. prison recently, having admitted to slaughtering seven people - including five children - in Idaho, Washington state, Montana and California. (AP) - Serial killer Joseph Edward Duncan III died in U.S. (Terry Pierson/The Orange County Register via AP) Duncan, 58, had been diagnosed with terminal brain cancer. 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. A convicted serial killer whose victims included two young boys died Sunday at a hospital in Indiana, authorities said. FILE - In this April 5, 2011, file photo shows Joseph Edward Duncan III stands in court in Indio, Ca, Duncan convicted of killing a couple and two children in Idaho was sentenced to life in prison for torturing and killing a 10-year-old boy in California in 1997.