By Thursday afternoon search teams were back in the area, combing the nearby fields for any trace of the missing girl, according to Fox News.
More than 40 investigators are now working on the case to find Tibbetts, and they have received over 200 tips that they are following up on, authorities said. It turned out that report was not substantiated, and investigators have ruled out the possibility that it was Tibbets, Iowa Division of Criminal Investigation special agent Mike Krapfl told the Associated Press on Thursday.
Asked whether they're investigating Tibbitts' disappearance as an abduction, Winker said they are treating it as a missing person case.
Last Friday that led them to the pig farm near the wildlife reserve where they searched a home and a garage, reportedly without a warrant, Fox News said.
Calderwood announced at a news conference that $172,000 and counting had been raised for a new "Bring Mollie Tibbetts Home Safe" reward fund.
"We believe that Mollie is still alive, and if someone has abducted her, we are pleading with you to please release her", Tibbetts' mother, Laura Calderwood, said during a Thursday morning press conference.
"What we're trying to do is shake the tree", said Greg Willey with Crime Stoppers of Central Iowa.
House Republicans move to impeach deputy attorney general
It is highly unusual, if not unprecedented, for lawmakers to demand documents that are part of an ongoing criminal investigation. Meadows said after that meeting that there was still "frustration" with how the department has handled the oversight requests.
Tibbetts has not been seen since July 18 when she went jogging in Brooklyn, the small town in Iowa where she was living.
"At this point, we don't know her exact whereabouts but we continue to look".
"Let's keep at it. Let's go get her", said Rob Tibbetts, Mollie Tibbetts' father.
This is a developing story; we'll keep you updated.
"Sometimes I just feel her sitting on my shoulder", she said.
Investigators have been looking at various data, including social media and information from a Fitbit that Tibbetts is known to have used. She was last seen wearing dark coloring running shorts, a pink shirt, and running shoes. And I am not going to draw any conclusions about the circumstances of her disappearance.
"The first night she went missing, I was distraught", Calderwood told CNN affiliate KCCI in Des Moines.