The Barron County Sheriff's Department was notified by the Douglas County Sheriff's Department that they had located Jayme Closs alive, according to Fitzgerald.
The Sheriff's Department said on its Facebook page a suspect was taken into custody, but has no further details.
The sheriff's office plans to hold a news conference Friday morning to discuss the case.
We will have a live report from Barron County during WEAU 13 News at 10 p.m.
Jayme's grandfather, Robert Naiberg, said, "Everybody is so happy".
"Tonight, we actually got false news again this afternoon and I really had my hopes up then", Sue Allard said. Following her release, Jayme will get the chance to reunite with her family.
Authorities at the home of James and Denise Closs, found dead on Monday in Barron, Wisconsin.
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The sheriff's statement said that its department "could not have endured this case without the support of the public and I want to thank them for all the support and help".
Allard mentioned that the family is "appreciative" of everyone's efforts in helping find Closs.
Closs vanished on October 15 after her parents were fatally shot at their home in Barron County, located about 80 miles northeast of Minneapolis. From the bottom of my heart THANK YOU!'
Throughout the investigation, Fitzgerald said he did not believe that that Closs was involved in her parents' deaths.
Police revealed the killer was in the Closs home for only four minutes during which they stepped five feet into the house, shot James and Denise and took Jayme.
Before Closs was reported missing, a mysterious 911 call was made from her home. "I've always been a glass half-full kind of guy", Fitzgerald said at the time.