Jayme Closs is 5 feet tall, weighs 100 pounds and has green eyes and blond or strawberry blond hair, the sheriff's department said. They were Jayme Closs's parents.
'The mother appeared to have barricaded herself in the bathroom and called police, ' added the source detailing that she was unable to call 911 before being killed.
Hours earlier, Fitzgerald asked for 100 volunteers to help in the routine search for evidence that could be related to the case as the search for Jayme Closs entered its fourth day.
But Barron County, Wisconsin, Sheriff Chris Fitzgerald, whose department is leading the investigation, told reporters Tuesday afternoon that Wisconsin investigators and the FBI checked out the video and that it couldn't be considered "credible information" because it didn't come from his team.
Closs disappeared after police received a 911 call from a cellphone inside her home at around 01:00 (0600 GMT) on Monday.
Also on Friday, the Barron County Sheriff's department released their log of the 911 call. The caller didn't communicate with police, but noises heard in the background suggested a disturbance or struggle of some kind.More news: Legal cannabis is now on sale in Sask., what retailers are open?
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Investigators say Jayme Closs is not a suspect.
Deputies are also trying to solve the killings of Jayme's parents, James Closs, 56, and Denise Closs, 46, in the small city of Barron. He said both were shot to death.
The FBI said Thursday that, "out of an abundance of caution", it was sending a digital Missing Person poster to local media partners across the country for display.
"We want to bring Jayme home and put that smile back in her family's hands", said Fitzgerald, who added that investigators don't know whether the attack was random or targeted.
Denise Closs' husband, James Closs, had answered the door.
(Jerry Holt /Star Tribune via AP) A group of volunteers searched the ditches along highway 8 near the home where 13-year-old Jayme Closs lived with her parents James, and Denise in Barron, Wisconsin on October 18, 2018. The tip line is at 1-855-744-3879.