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Search for Susan Powell's remains under way in Oregon

Over a year after Josh Powell killed himself and his two sons in a house explosion, police continue to search for the remains of missing mother Susan Powell who vanished in 2009. KING's Elisa Hahn reports.

The latest turn in the 2009 disappearance of a Utah mother has led investigators to a farm in Oregon.

Authorities investigating Susan Powell's vanishing will spend a third day at a remote property east of Salem, Ore., that has ties to the Powell family, the Associated Press reported.

Chuck Cox, Susan Powell's father, confirmed to local NBC affiliate KSL that he told police the farm was a place Susan's husband Josh Powell spent a lot of time. Police searched the area, but found no evidence of remains, according to Cox.

Josh Powell had long been a person of interest in the case of Susan Powell, who vanished in December 2009. Josh Powell blew up his Washington residence on Feb. 5, 2012, killing himself and the couple's two young children. 

Josh Powell was never charged in his wife's disappearance, but unsealed police documents say authorities found Susan Powell's blood in the couple's Utah home. Investigators also found life insurance policies on Susan Powell and determined that Josh Powell had filed paperwork to withdraw her retirement account money about 10 days after her disappearance.

The Associated Press contributed to this story.