Officials said they have found no connection between Duncan and the family, raising the possibility the attack and kidnapping were random. Wolfinger declined to say whether Duncan had a gun or speculate how he might have overpowered the five people at the house.
"Nobody in the family has ever seen this man before. Ever," Shasta's grandmother, Darlene Torres, told CBS' "The Early Show" Wednesday.
Misty Cooper, Shasta's aunt, said Shasta "seems to be doing really good right now," but that the family had not spoken to the girl about her ordeal.
"We just go on with everyday, normal things," Cooper said.
Shasta told investigators she was awakened at her home and watched as her 40-year-old mother Brenda Groene, 13-year-old brother Slade and 37-year-old Mark McKenzie were tied up, according to court documents.
Then she and Dylan were bound and taken from the house into a pickup truck, transferred to a stolen red Jeep and taken to the first of three campsites, she said.
Officials allege the children were repeatedly sexually molested during their ordeal.
While it is the Associated Press' policy not to identify alleged victims of sexual assault in most cases, the search for the children and Shasta's recovery were so heavily publicized that their names were already widely known.
Duncan had spent more than a decade in prison for sexually assaulting a 14-year-old boy at gunpoint in Tacoma, Wash. He was a fugitive at the time of his arrest, charged with molesting a 6-year-old boy in Minnesota.
He was released on $15,000 bail earlier this year after being charged with molesting the boy. Fargo police had been looking for him since May, when he failed to check in with a probation agent.
